Unit Test — Unit test Answers
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21
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The graph of f(x) = x3 + 6x2 + 12x + 8 is shown.
A
no real number solutionsB
one real number solutionC
two real number solutionsD
three real number solutions22
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Megan borrowed $50,000 at 5% simple interest for 6 years. Joseph borrowed $60,000 at 4% simple interest for 8 years. The formula can be used to calculate the monthly payment, m, where P is the principle amount borrowed, r is the rate expressed as a decimal, and t is the amount of time for the loan, in years. Who will have a greater monthly payment, and by how much?
A
Megan will pay approximately $8 dollars more per month.B
Megan will pay approximately $78 dollars more per monthC
Joseph will pay approximately $8 dollars more per month.D
Joseph will pay approximately $78 dollars more per month.23
Which function is undefined for x = 0?
A
y = RootIndex 3 StartRoot x minus 2 EndRoot
B
y = StartRoot x minus 2 EndRoot
C
y = RootIndex 3 StartRoot x + 2 EndRoot
D
y = StartRoot x + 2 EndRoot
24
Which of the following describes the graph of compared to the parent cube root function?
A
stretched by a factor of 2 and translated 64 units right and 5 units downB
stretched by a factor of 8 and translated 8 units right and 5 units downC
stretched by a factor of 2 and translated 8 units right and 5 units downD
stretched by a factor of 8 and translated 64 units right and 5 units down25
Which describes how to graph by transforming the parent function?
A
Translate the parent function 5 units to the left and 7 units up.B
Translate the parent function 5 units to the right and 7 units up.C
Translate the parent function 5 units down and 7 units to the right.D
Translate the parent function 5 units up and 7 units to the right.Did you find these answers helpful?
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