Choose the expression or equation that is equivalent to the one given.24 = x
A. log4 x = 2
B. log2 x = 4
C. logx 2 = 4
D. log2 4 = x
Answer: B
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Find the quadratic approximation of f at x = 0.f(x) = esin 9x
A. Q(x) = 9x - 
x2
B. Q(x) = 1 - 9x + 
x2
C. Q(x) = 1 + 9x + 
x2
D. Q(x) = 9x + 
x2
Solve.Acme Communication finds that the total revenue function associated with producing a new type of cellular phone is 
and the total cost function is 
where x represents the number of units of cellular phones produced. Find the total profit function, P(x) .
A. P(x) = x4 - 199x2 + 8000 B. P(x) = -x2 + 199x - 8000 C. P(x) = -2x2 + 221x - 9000 D. P(x) = -x2 + 215x + 8000
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.66 ? 64
A. 3624 B. 624 C. 3610 D. 610
Add or subtract as indicated. Simplify the result whenever possible. Write any answer that contains an improper fraction as a mixed number. 
+ 
A. 
B. 
C. 1
D. 