Analyzing Graphs — Cumulative exam Answers

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Simplify this expression.

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
42
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Gerri purchases a coupon book with discounts for her favorite coffee shop. Every coupon for the coffee shop offers the same discount. The table shows her total savings, y, based on the number of coupons, x, used from the book.

Question illustration
A
slope: 2, y-intercept: –20
B
slope: 2, y-intercept: 10
C
slope: 5, y-intercept: –20
D
slope: 5, y-intercept: 10
43

What are the domain and range of the piecewise function below?

Question illustration
A
domain: range:
Option A
B
domain: or range: or
Option B
C
domain: range:
Option C
D
domain: or range: or
Option D
44

Which property is demonstrated below?

Question illustration
A
associative property of multiplication
B
inverse property of multiplication
C
identity property of multiplication
D
commutative property of multiplication
45

Which are differences of perfect cubes? Select two options.

A
9a3- 27
B
125a12 - 72
C
216a6 - 27y3
D
8a15 - 27
E
225a3 - 216
46

Which of the following gives all of the sets that contain?

Question illustration
A
the set of all irrational numbers
B
the set of all natural numbers, the set of all whole numbers, and the set of all integers
C
the set of all integers, the set of all rational numbers, and the set of all real numbers
D
the set of all natural numbers, the set of all whole numbers, the set of all integers, the set of all rational numbers, and the set of all real numbers
47

What is the inverse of the function f(x) = 4x + 8?

A
h(x) = x – 2
Option A
B
h(x) = x + 2
Option B
C
h(x) = x – 2
Option C
D
h(x) = x + 2
Option D
48

The monomial 36x4 is a perfect square. What is the square root of 36x4?

A
6x2
B
6x4
C
18x2
D
18x4
49

Which is the graph of linear inequality 6x + 2y > –10?

A
Option
B
Option
C
Option
D
Option
50

Which is the graph of linear inequality x – 2y ≥ –12?

A
Option
B
Option
C
Option
D
Option

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