Unit Test — Unit test

Question 1

Which describes the range of the parent absolute value function?

Revolt · Accepted Answer

{y|y > 0}

Question 2

The graphs of three functions are shown.

Revolt · Accepted Answer

The absolute value and square root function share an x-intercept.

Question 3

f(x) = 2x – 1g(x) = 7x – 12What is h(x) = f(x) + g(x)?

Revolt · Accepted Answer

h(x) = 9x – 13

Question 4

Which function has the same maximum value as f(x) = – |x + 3| – 2?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/evresources/314efbe8c32fd8719b5f36ca76e11bb3.png

Question 5

Which equation is the inverse of y = 7x2 – 10?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/evresources/3111-03-11/mc006-2.jpg

Question 6

A publicist is promoting a new record. The table below represents the plan for providing promo codes for free downloads of a single from the record, f(x), in tens of thousands of codes depending on the time since posting, x, in days.

Revolt · Accepted Answer

Their difference is the number of days the first promo codes were released before the new record.

Question 7

Consider the functions.f(x) = (x + 1)2 – 4g(x) = –4 |x + 1|

Revolt · Accepted Answer

Since the range of f(x) is limited to y ≥ –4 and the range of g(x) is limited to y ≤ 0, the ranges overlap for the values –4 ≤ y ≤ 0.

Question 8

The graph of f(x) = |x| is transformed to g(x) = |x + 1| – 7. On which interval is the function decreasing?

Revolt · Accepted Answer

(–∞, –1)

Unit Test — Unit test Answers

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