Multiple Choice
Jill earns $45 per hour. Using p for her pay and h for the hours she works, what function rule represents the situation?
a) h=45p b) p=45h c) h=p+45 d) p = h+45
What is b) p=45h
This variable is the input of a function
What is the independent variable?
Find the next number in the pattern: 2, 4, 6, 8, ___
What is 10?
A gym charges a $20 sign-up fee plus $15 per month. Let CCC represent the total cost, and mmm represent the number of months
Which function rule represents the situation?
A. C=15m+20C = 15m + 20C=15m+20
B. C=20m+15C = 20m + 15C=20m+15
C. m=15C+20m = 15C + 20m=15C+20
D. C=35mC = 35mC=35m
What is A
This variable depends on the value of the independent variable
What is the dependent variable?
Find the next number in the pattern: 5, 8, 11, 14, ___
What is 17?
A function is shown in the table.
x 1 2 3 4
_________________________
y 5 8 11 14
Which function rule matches the table?
What is B
A set of ordered pairs, inputs and outputs, or points on a graph is called this
What is a relation?
The pattern is: 3, 8, 13, 18, 23
Find the 10th term in the pattern
What is 48?
Which ordered pair represents a linear function:
a. (-2,-1), (-1,-4), (0,-5), (1,-4) and (2,-1)
b. (-2,-8), (-1,-1), (0,0), (1,1), and (2,8)
c. (-2,-15), (-1,-9), (0,-3), (1,3), and (2,9)
d. (-2,4), (-1,1), (0,0), (1,1), and (2,4)
What is C.
A relation in which each input has exactly one output is called this.
What is a function?
A table follows this pattern:
x 1 2 3 4
________________
y 5 8 11 14
Write a function rule relating x and y.
What is y = 3x + 2?
A function rule is y = 4x - 3.
Which ordered pair belongs to the function?
A. (2,5)
B. (3,9)
C. (4,12)
D. (5,18)
What is B
Explain the difference between a relation and a function
A relation is any set of ordered pairs or inputs and outputs, whereas a function is a special type of relation in which each input only has one output
A pattern starts at 7 and increases by 4 each time
Write a function rule for the pattern
What is y = 4x + 3?