Answers Crowley Credit Recovery Algebra II APerformance Task: Going on a Round Trip

Performance Task: Going on a Round Trip — Unit test Answers

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The domain of u(x) is the set of all real values except 0 and the domain of v(x) is the set of all real values except 2. What are the restrictions on the domain of ?

u(x) 0 and v(x) 2

x 0 and x cannot be any value for which u(x) 2

x 2 and x cannot be any value for which v(x) 0

u(x) 2 and v(x) 0

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What is the domain of the relation graphed below?

domain:

The formula for the volume of a pyramid is Which of the following equations is equivalent to the given formula?

uppercase B = StartFraction 3 uppercase V Over h EndFraction

uppercase B = StartFraction 3 h Over uppercase V EndFraction

uppercase B = StartFraction uppercase V minus one-third Over h EndFraction

uppercase B = StartFraction uppercase V + one-third Over h EndFraction

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

b not-equals 0

mc009-3.jpg

mc009-4.jpg

mc009-5.jpg

Which of the following is an odd function?

g(x) = x2

g(x) = 5x – 1

g(x) = 3

g(x) = 4x

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)?

–18

–4

Which graph represents the same relation as the set ?

A coordinate plane has 3 points. The points are (negative 3, 2), (3, negative 2), (5, 5).

A coordinate plane has 4 points. The points are (negative 3, 2), (3, negative 2), (3, 3), (5, 5).

A coordinate plane has 7 points. The points are (negative 3, 0), (0, 5), (0, 3), (0, 2), (0, negative 2), (3, 0), (5, 0).

A coordinate plane has 4 points. The points are (negative 2, 3), (2, negative 3), (3, 3), (5, 5).

Harlon wrote the equation to find the area of a rectangle that has a length of and a width of 18. He solved for x and got Which of the following is an equivalent equation for x?

x = plus-or-minus StartRoot StartFraction uppercase A minus 18 Over 18 EndFraction EndRoot

x = plus-or-minus StartRoot StartFraction uppercase A + 18 Over 18 EndFraction EndRoot

x = plus-or-minus StartRoot uppercase A minus 36 EndRoot

x = plus-or-minus StartRoot uppercase A + 36 EndRoot

For which pair of functions is ?

f(x) = 3 – 4x and g(x) = 16x – 3

f(x) = 6x2 and

and g(x) = 144x

f(x) = 4x and g(x) = 3x

Which statement best describes how to determine whether f(x) = x2 – x + 8 is an even function?

Determine whether –x2 – (–x) + 8 is equivalent to x2 – x + 8.

Determine whether (–x)2 – (–x) + 8 is equivalent to x2 – x + 8.

Determine whether –x2 – (–x) + 8 is equivalent to –(x2 – x + 8).

Determine whether (–x)2 – (–x) + 8 is equivalent to –(x2 – x + 8).

Which relation below represents a one-to-one function?

A 2-column table has 5 rows. The first column is labeled x with entries 5, 14, 7, 13, 12. The second column is labeled f (x) with entries 26, 197, 50, 170, 197.

A 2-column table has 5 rows. The first column is labeled x with entries negative 2, negative 1, 0, 1, 2. The second column is labeled f (x) with entries 5, 2, 1, 2, 5.

A 2-column table has 5 rows. The first column is labeled x with entries 7.25, 7.5, 7.75, 8, 8.5. The second column is labeled f (x) with entries 11, 13, 15, 13, 11.

A 2-column table has 5 rows. The first column is labeled x with entries 9, 2, 4, 1, 5. The second column is labeled f (x) with entries 12, 7, 9, 13, 5.

If f(x) = x2 – 25 and g(x) = x – 5, what is the domain of ?

all real values of x

all real values of x except x = 5

all real values of x except x = –5

all real values of x except x = 5 and x = –5

Celo used the simple interest formula to calculate the interest he earned on his savings last month. Which equation is equivalent to the simple interest formula?