Law of Sines (Sec 8-3) — Unit test

Question 1

A water tank has 22 gallons of water. It begins to receive 26 gallons per hour for a number of hours. If the tank needs to fill to at least 516 gallons, which of the following is the minimum number of hours the tank should continue filling?

Revolt · Accepted Answer

19

Question 2

Which graph shows the solution set of the compound inequality or

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/evresources/3111-01-07/mc013-4.jpg

Question 3

The cost of producing x soccer balls in thousands of dollars is represented by h(x) = 5x + 6. The revenue is represented by k(x) = 9x – 2. Which expression represents the profit, (k – h)(x), of producing soccer balls?

Revolt · Accepted Answer

4x – 8

Question 4

Which statement verifies that f(x) and g(x) are inverses of each other?

Revolt · Accepted Answer

and

Question 5

If k(x) = 5x – 6, which expression is equivalent to (k + k)(4)?

Revolt · Accepted Answer

5(4) – 6 + 5(4) – 6

Question 6

Which graph shows all the values that satisfy

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/evresources/3111-01-07/mc008-2.jpg

Question 7

The tables for f(x) and g(x) are shown below.xf(x)–5–11–21113529xg(x)–5–7–2–115513What is the value of (f – g)(5)?

Revolt · Accepted Answer

16

Question 8

Cheryl has $56 and wants to buy as many notebooks as she can to donate to her school. If each notebook costs $1.60, which inequality shows n, the maximum number of notebooks she can buy with her money?

Revolt · Accepted Answer

1.6 n less-than-or-equal-to 56

Question 9

If the function has an inverse function, which statement must be true?

Revolt · Accepted Answer

b not-equals 0

Question 10

Which function is the inverse of ?

Revolt · Accepted Answer

f Superscript negative 1 Baseline (x) = negative one-fifth x + four-fifths

Law of Sines (Sec 8-3) — Unit test Answers

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