Write as an expression.
The quotient of a number k and 7.
k/7
100
What are 3 other ways to say "domain"?
D: Input, independent variable, x - values
100
Do these points make up a function?
(2, 3), (4, 7), (12, 3), (-5, 8), (-3, -3)
Yes
100
If you are traveling at 45 miles per hour, how many miles will you travel in 1.5 hours?
67.5 Miles
200
Evaluate:
(24-11)-(3+2)÷4
11.75
200
Write as an equation or inequality.
The sum of 6 and twice a number x is 12.
6 + 2x = 12
200
What are 3 other ways to say "range"?
R: Output, dependent variable, y - values
200
Do these points make up a function?
(3, 5), (-9, 5), (12, 5), (8, 5), (-3, 8)
Yes
200
The domain of a function y = x + 2
is D: 2, 4, 5, 8
Which number is in its range?
A. 19
B. 3
C. 7
D. 5
C. 7
300
Evaluate
n^3 when n = 20
8000
300
Write as an equation or inequality.
5 less than 4 times a number x is no more than 13.
4x - 5 ≤ 13
300
For the following ordered pairs, state the domain and range.
(1,3), (3, 6), (9, 4), (-1, 5)
D: 1, 3, 9, -1
R: 3, 6, 4, 5
300
Write a rule for these points of a function.
(1, 5), (3, 7), (5, 9), (7, 11)
y = x + 4
300
You buy 3 candy bars for $.60 each and a Dr. Pepper for $1.25. If you have a $5, how much change will you get back? (don't worry about tax)
$1.95
400
Evaluate:
2x ÷4(2+3)-4
When x = 14
31
400
Write as an equation or inequality.
The product of 5 and a number w is at least 20.
5w ≥ 20
400
For y = 4x + 1
and Domain: 1, 2, 3, 4 state the range.
R: 5, 9, 13, 17
400
Write a rule for these points of a function.
(1, 4), (2, 7), (3, 10), (4, 13)
y = 3x + 1
400
If you bake a cake that is 5" by 7" and 3 people eat 1" by 1" pieces out of it, how many square inches of the cake remain?
32 square inches
500
Which expression has the least value when x = 3 and y = 7?
A. xy
B. (x^3) - y
C. 4y - 2x
D. 6x + 1
D. 6x + 1 = 19
500
Write an equation or inequality.
Chet goes to Menchie's for some frozen yogurt. If each ounce costs $0.87 and Chet only has $5, how much yogurt can he get?
.87x ≤ 5 where x = ounces of yogurt
500
For y = x/3
and Domain: 9, 12, 15, 21 state the range
R: 3, 4, 5, 7
500
Write a rule for these points of a function.
(3, 3), (6, 4), (9, 5), (12, 6), (15, 7)
y = (x/3) + 2
500
The yo-yo club has raised $180 for t-shirts. If there are 30 students in the yo-yo club and t-shirts are $12 apiece, how much will each student have to pay out of his/her own pocket?