Function Identification
Create a Function
Math with Functions
Slope & Factoring
Compositions
100
Is this a function? 
No
100
Write a function for the following problem:
Lisa works at a factory and gets paid $18 per hour. Write a function that shows the relationship between her total pay, y, in x hours.
y = 18x
100
What is
f(x) + g(x)?
f(x) = 3x+2
g(x) = 2x+17
f(x) + g(x) = 5x+19
100
What is the slope of the following equation?
y = -2/3x+17
-2/3
100
What is
f(g(x))?
f(x) = 3x+5, g(x) = 4x
f(g(x)) = 12x+5
200
Look at the table below. Does it show a function? 
Yes
200
Write a function for the following problem:
A taxi company charges $20 to use a taxi and an additional $0.50 per mile that the taxi drives. Write a function that describes the relationship between the total price of a taxi, y, and the number of miles driven, x.
y = 0.5x+20
200
What is
(f-g)(x)?
f(x) = x^2-3x, g(x) = -6x+2
(f-g)(x) = x^2+3x-2
200
What is the slope of a linear equation that has the following two coordinates on its line?
(3, 2) and (4, 7)
Slope = 5
200
What is
f(g(x))?
f(x) = x^2+2, g(x) = x^2
f(g(x)) = x^4+2
300
Do the following sets of ordered pairs show a function?
Yes
300
What is the function for the following table?
y = 2x+7
300
What is
(f*g)(x)?
f(x) = x+3, g(x) = x+7
(f*g)(x) = x^2+10x+21
300
What is the equation of a straight line with the points (1, 9) and (3, 21)?
y = 6x+3
300
What is
f(g(x))?
f(x) = x^2, g(x) = x+4
f(g(x))= x^2+8x+16
400
Does the following graph show a function? 
No
400
What is the function to describe the following table?
y = -2x+3
400
What is
(f*g)(x)?
f(x) = x^2+3, g(x) = 2x+7
(f*g)(x) = 2x^3+7x^2+6x+21
400
Factor the following quadratic function:
f(x) = x^2 - 14x+24
f(x) = (x-2)(x-12)
400
What is
r(s(x))?
r(x) = -3x, s(x) = 2x^2+5x+5
r(s(x))= -6x^2-15x-15
500
Which of the graphs below shows a function? (Left or Right)
Left
500
Write a function for the following problem.
A pool starts with 400 gallons of water and is draining at a rate of 2 gallons per minute. Write a function that shows the relationship between the amount of water left in the pool, y, and the number of minutes the pool has been draining, x.
y = 400-2x
500
What is
(f/g)(x)?
f(x) = x^2-7x+12, g(x) = x-4
(f/g)(x) = x-3
500
What are the solutions to the following quadratic equation?
(Answer should be x = ?)
x^2-2x=15
x = 5, -3
500
What is
s(r(x))?
r(x) = -3x, s(x) = 2x^2+5x+5
s(r(x)) = 18x^2-15x+5