# Functions Help : Videos | Worksheets | Word Problems

Many students find functions difficult. At TuLyn, we have hundreds of free functions video tutorials, printable functions worksheets, and functions word problems to help you better understand functions and get better grades.

in Algebra.

in Pre-Calculus.

# Functions

Many students find functions difficult. They feel overwhelmed with functions homework, tests and projects. And it is not always easy to find functions tutor who is both good and affordable. Now finding functions help is easy. For your functions homework, functions tests, functions projects, and functions tutoring needs, TuLyn is a one-stop solution. You can master hundreds of math topics by using TuLyn.

At TuLyn, we have over 2000 math video tutorial clips including functions videos, functions practice word problems, functions questions and answers, and functions worksheets.

Our functions videos replace text-based tutorials and give you better step-by-step explanations of functions. Watch each video repeatedly until you understand how to approach functions problems and how to solve them.
• Hundreds of video tutorials on functions make it easy for you to better understand the concept.
• Hundreds of word problems on functions give you all the practice you need.
• Hundreds of printable worksheets on functions let you practice what you have learned by watching the video tutorials.
How to do better on functions: TuLyn makes functions easy.

# Finding The Domain Of Absolute Value Functions Video Clip

Finding The Domain Of Absolute Value Functions
Video Clip Length: 54 seconds
Video Clip Views: 38452

video, absolute value, absolute value functions, domain, domain of a function, functions

# Sine Cosine Tangent Video Clip

Sine Cosine Tangent
Video Clip Length: 2 minutes 18 seconds
Video Clip Views: 35067

This clip gives the definitions of the trigonometric functions sine, cosine and tangent.

curves, functions, identities, plane figures, shapes, trigonometric functions, trigonometric identities

# Using The Product Rule To Find The Derivative Of A Exponential Function Video Clip

Using The Product Rule To Find The Derivative Of A Exponential Function
Video Clip Length: 1 minute 59 seconds
Video Clip Views: 34854

derivatives, exponential functions, exponents, functions, product rule

# Finding The Domain Of Radical Functions Video Clip

Finding The Domain Of Radical Functions
Video Clip Length: 1 minute 10 seconds
Video Clip Views: 22168

domain, domain of a function, functions, number sense, numbers, radical functions, radicals

# Adding Rational Expressions Involving Trigonometric Functions Video Clip

Adding Rational Expressions Involving Trigonometric Functions
Video Clip Length: 2 minutes 50 seconds
Video Clip Views: 18858

adding rational expressions, expressions, functions, number sense, numbers, rational expressions, rational numbers, trigonometric functions

# Slope Intercept Form Video Clip

Slope Intercept Form
Video Clip Length: 3 minutes 37 seconds
Video Clip Views: 16065

functions, intercept, slope, slope of a function

# Finding The Domain Of Rational Expressions 2 Video Clip

Finding The Domain Of Rational Expressions 2
Video Clip Length: 1 minute 24 seconds
Video Clip Views: 14132

domain, domain of a function, expressions, functions, number sense, numbers, rational expressions, rational numbers

# Finding The Domain Of Rational Expressions Video Clip

Finding The Domain Of Rational Expressions
Video Clip Length: 1 minute 52 seconds
Video Clip Views: 14055

domain, domain of a function, expressions, functions, number sense, numbers, rational expressions, rational numbers

# Finding The Domain Of Rational Expressions 4 Video Clip

Finding The Domain Of Rational Expressions 4
Video Clip Length: 2 minutes 15 seconds
Video Clip Views: 13720

domain, domain of a function, expressions, functions, number sense, numbers, rational expressions, rational numbers

# Finding The Domain Of Rational Expressions 3 Video Clip

Finding The Domain Of Rational Expressions 3
Video Clip Length: 1 minute 30 seconds
Video Clip Views: 13419

domain, domain of a function, expressions, functions, number sense, numbers, rational expressions, rational numbers

# Top Functions Word Problems

• A man on a 135-ft vertical cliff looks down (#2873)
A man on a 135-ft vertical cliff looks d... ...s the friend from the base of the cliff?
curves, functions, identities, plane figures, polygons, pythagorean theorem, right triangles, shapes, sohcahtoa, triangles, trigonometric functions, trigonometric identities
• A ladder 39 feet long leans against a building (#1419)
A ladder 39 feet long leans against a bu... ...gh is the window ledge about the ground?
cosine, curves, functions, plane figures, polygons, pythagorean theorem, right triangles, shapes, triangles, trigonometric functions
• A 25 m tower standing vertically (#847)
A 25 m tower standing vertically on a hi... ...the angle of elevation of the sun at S?
functions, law of sines, sine, trigonometric functions
• Suppose you are at the gas station (#1115)
Suppose you are at the gas station filli... ...e domain? Range? Explain your reasoning.
domain of a function, functions, graphing, graphing polynomial functions, graphs, polynomial functions, polynomials, range of a function
• A ladder rests against a wall (#2926)
A ladder rests against a wall. the top o... ...3 with the wall. how long is the ladder?
functions, identities, sohcahtoa, trigonometric functions, trigonometric identities

# Homework Help Questions

• How do you graph trig tangents?
• f(x)= sqrt(x) - sqrt(x+4)
find the domain
• What is the slope of the line joining  (5,9) and (-2,9)
• what is
-y= -2/3 x +5
• y=√x-5
• Solve y=3/2x-2
• What is an equation for a slope of zero?
• x3 + x2 +1
• (3,1) (-2-3)
y = (4/5)x + 7/5
• y= |x+4| - 2
• What is the area of triangle ABC given that a = 4 , b = 7 , and B = 75°
• y=3x-4
• y=12x-4
• sin(a+b)=
• y-1=0
• y = -3/8 x + 18
• Find a polynomial for the perimeter and for the area using d+4 and d
• f(x) = (3/2)x
• tan 59
• a=8.5 c = 14.2
• Rose Street is perpendicular to Oak Lane. on your map. Draw Rose Street so that it is perpendicular to Oak Lane. { Oak Lane is a line going straight ahead.}
• ( 1,2 ) ( 7,9 ) What is the slope?
• Write an equation in standard form for a line that contains the points (-2, -8) and (-2, 5)
• a=17 b=39 and c=50 Find A
• (9,-4) , (-5,8)
• what is an equation for a zero slope?
• y=4x
• (3, -3) that is perpendicular to the line 2x+y=1.
• What is the value of arcsin (- √2 / 2)?
• 2ab(5a + 4b)=
• find the standard and slope-intercapt form with a line that has an undefined slope and contains the point (-3/7, 1/8)
• how many miles can you get off of a gallon of gas if you were driving 55 miles per hour.  I do not even know if that problem makes sense.
• How do I find the free radicals in the square root of 200?
• A clothing store offers a 10% discount sale on its blue jeans. Lulu has a \$10 off coupon for any item in the store. How much would lulu pay?
• Express the area A of an equilateral triangle as a function of the length x of a side.
• Please find the equation of the line in slope intercept form and convert it to standard form  (0,3) and (3,9)
• find the slope between these points:   (7/8, 3/4), (5/4, -1/4)
• how to find the cot 38 (degrees) without using a calculator
• A parallelogram has sides of lengths 3 and 5, and one angle is 50 degrees. Find the lenghts of the diagonals.
• To find the distance between two points A and B on opposite sides of a river, a surveyor measures out a base line AC that is 25 m long. He then measures angle A= 82 degree and angle C= 69 degree. Calculate the distance AB.
• from the top of the building 60ft. high ,the angle of elevation of the top of a vertical pole is 14 degree.At the bottom of the building the angel of elevation of the top of the pole is 28 degree.Find the (a) the height of the pole and (b) the distance of the pole from the building.

# How Others Use Our Site

Learn how to go about equations and functions.
Polynomial functions, quadratic equations, and manymore.. thanks..
I need help with specific algebraic functions, and I think the tutorials will help me by showing me how to do these step by step.
explanation of functions.
I need serious help in algebra 2 basically quadratic functions.
Learn how to do equations and functions.
Seeing how functions work.
It will tutor me, hopefully , in trigonometric functions.
I am hoping that it will give me a visual on some of the basic functions of algebra. I am a visual person and my class is currently online which is difficult for me.
Your site can help me understand the concepts between the formulae and the functions and the equations.
I think it will help me alot to understand the functions of math and algebra.

How many legs in total do a chicken, two ducks,and two sheep have?

### Evaluating Functions

Hundreds of video clips, worksheets, and word problems on evaluating functions.

### Periodic Functions

Hundreds of video clips, worksheets, and word problems on periodic functions.

### Exponential Functions

Hundreds of video clips, worksheets, and word problems on exponential functions.

### Polynomial Functions

Hundreds of video clips, worksheets, and word problems on polynomial functions.

### Function Rule

Hundreds of video clips, worksheets, and word problems on function rule.

### Composite Functions

Hundreds of video clips, worksheets, and word problems on composite functions.

### Absolute Value Functions

Hundreds of video clips, worksheets, and word problems on absolute value functions.

### Inverse Functions

Hundreds of video clips, worksheets, and word problems on inverse functions.

Hundreds of video clips, worksheets, and word problems on radical functions.

### Domain of a Function

Hundreds of video clips, worksheets, and word problems on domain of a function.

### Range of a Function

Hundreds of video clips, worksheets, and word problems on range of a function.

### Zeros of a Function

Hundreds of video clips, worksheets, and word problems on zeros of a function.

### Logarithmic Functions

Hundreds of video clips, worksheets, and word problems on logarithmic functions.

### Trigonometric Functions

Hundreds of video clips, worksheets, and word problems on trigonometric functions.

### Slope of a Function

Hundreds of video clips, worksheets, and word problems on slope of a function.