Explain the mistake.(-5)4 = -(5)(5)(5)(5) = -625
A. There is no mistake. The expression is correct as written.
B. A negative number raised to a power is not a real number.
C. The negative sign has been factored out incorrectly. The correct answer is (-5)4 = (-5)(-5)(-5)(-5) = 625
D. Apparently, the term -5 was raised to the wrong power. The correct answer is (-5)4 = -(5)(5)(5)(5) = -125
Answer: C
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centimeters long on the map. Write the answer as a mixed number, if necessary.
A. 28
mi
B. 2 mi
C. 
mi
D. 4
mi
Use l'H
pital's rule to find the limit.
A. ln 8
B. 
C. 3 ln 8
D. 0
Solve the inequality. Write the answer in set-builder notation.
(8x + 8) ? 12
A. 
B. 
C. 
D. 
Find an equation of variation in which the following are true.y varies jointly as x and z and inversely as the product of w and p, and 
when x = 4, z = 10, 
and 
A. y = 
B. y = 
C. y = 
D. y = 