Not a function because 54 and 56 in the domain are paired with two range values.
100
Use f(x)= 6x-4 to find f(5)
What is 26
100
Mariah spent $22.50 downloading songs to her Ipod from Itunes for $.90 each. How many songs did mariah download. Use function notation to write and equation and solve.
What is 25 songs
100
2,3,4,5,...
What is 1
100
What is the formula for finding the nth term?
What is a(n)= a+ (n-1)d
200
{(4,6), (7,10), (6,11), (3,8), (5,4), (2,9)}
This is a function. Each domain value is paired with one range value.
200
If f(x)=4x-7, find f(5)
What is 13
200
Omar spent $37.50 at the mall on basketball cards. Each card was $0.75 each. How many cards did Omar buy? Use Function notation to write and equation and solve.
What is f(x)=0.75x, 37.50=0.75x, x=50 cards
200
7,14,21,28,...
What is 7
200
10,11,12,13,...;17th term
What is 26
300
{(5,1), (6,3), (7,5), (8,0)}...USE THE VERTICAL LINE TEST
This is a function. Each domain value is paired with one range value. It also passes the vertical line test.
300
If f(x)=4x-7, what is f(-6)
What is -31
300
A what watching boat traveled at a speed of 5.5 miles per hour. Use function notation to write a function that gives total distance traveled as a function of the time in hours spent whale watching. Let d(w) represent total distance traveled.
What is d(w)=5.5w
300
3,0,-3,-6,...
What is -3
300
1,5,9,13,...;89th term
What is 353
400
{(1,7), (6,6), (3,2), (1,8), (5,2), (2,1)}...USE THE VERTICAL LINE TEST
Not a FUNCTION.
400
If f(x)= 5x+9, find f(9)
What is 54
400
Drake spent $350.00 at FootLocker. If sneakers cost $50.00 each how many pairs of sneakers did Drake buy. Write an equation using function notation. Then solve.
What is t(c)=50.00c, 350=50c, c=7 Pairs of sneakers
400
12,24,36,48...
What is 12
400
3,8,13,18,...70th term
What is 348
500
{(8,2), (4,3), (6,5), (1,5)} (**hint think of two coke buttons)
THIS IS A FUNCTION!
500
g(x)=8x+2, find g(-12).
What is -94
500
The DaWalt family spent $215 to have their family portrait taken. The portrait package they would like to purchase costs $125. In addition, the photographer charges $15 per person in the portrait. Use function notation to determine how many people were in the portrait.
What is f(p)= 125+ 15p, 215= 125+ 15p, p= 6 people