Rewrite using the power rule. Assume all variables represent positive real numbers.log3y8
A. 3log8y
B. 8log3y8
C. 3log8y8
D. 8log3y
Answer: D
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Assume that f is an even function, g is an odd function, and both f and g are defined on the entire real line. State whether the combination of functions (where defined) is even or odd.fg
A. Even B. Odd
Rewrite the expression as a single trigonometric function using a double-angle identity.2 cos24? - 1
A. cos 4?
B. 2 sin 4?
C. 
sin 16?
D. cos 8?
Solve the problem.Suppose that the daily cost C of manufacturing x bicycles is given by 
Then the average daily cost 
is given by 
How many bicycles must be produced each day in order for the average cost to be no more than 
A. {x|x ? 1500}; [1500, ?) B. {x|0 < x ? 150}; (0, 150] C. {x|x ? 15}; [15, ?) D. {x|x ? 150}; [150, ?)
Find the inverse, if it exists, of the given matrix.
A. 
B. 
C. 
D. 