Unit Test — Unit test Answers
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21
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Blake simplified the expression to . Since this answer is incorrect, what was Blake’s mistake?
A
He added 5 to the exponent in the numerator instead of multiplying.B
He subtracted the exponents in the parentheses instead of dividing.C
He multiplied only the exponent in the numerator of the fraction by 5.D
He divided the exponents in the parentheses instead of subtracting.22
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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
23
How does the graph of compare to the graph of the parent function ?
A
g(x) is shifted 4 units right and 6 units up from f(x).B
g(x) is shifted 4 units right and 6 units down from f(x).C
g(x) is shifted 4 units left and 6 units up from f(x).D
g(x) is shifted 4 units left and 6 units down from f(x).24
Mario invested $6,000 in an account that pays 5% annual interest compounded annually. Using the formula A = P(1 + r)t, what is the approximate value of the account after 2.5 years?
A
$6,075B
$6,118C
$6,456D
$6,77825
Which graph represents the function ?
A
On a coordinate plane, a hyperbola and parabola are shown. The hyperbola has a curve in quadrants 1 and 2. The parabola opens down and has a vertex at (0, 0).
B
On a coordinate plane, a hyperbola and a cubic functions are shown. They hyperbola has curves in quadrants 1 and 3, and the cubic function goes through (0, 0).
C
On a coordinate plane, a hyperbola is shown. One curve is in quadrant 1 and the other curves goes through quadrants 2 and 4.
D
On a coordinate plane, a hyperbola is shown. Both curves open downward in quadrants 3 and 4.
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