Find the domain of the given function.f(x) = 
A. (-?, -3) ? (-3, ?)
B. (-?, 0) ? (0, 3) ? (3, ?)
C. (-?, 0) ? (0, ?)
D. (-?, -3) ? (-3, 0) ? (0, ?)
Answer: D
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Write as the sum and/or difference of logarithms. Express powers as factors.log5(
)
A. log5125 - log5
B. 3 - log5
C. 3 - 
log5(x - 1)
D. 3log55 - 
log5(x - 1)
Use the rules of exponents to simplify the expression. Use positive exponents to write the answer.
A. 
B. x27
C. x2
D. 
Solve the problem.John owns a hotdog stand. He has found that his profit is represented by the equation 
with P being the profit in dollars, and x the number of hotdogs sold. How many hotdogs must he sell to earn the most profit?
A. 50 hotdogs B. 25 hotdogs C. 37 hotdogs D. 38 hotdogs
Use a calculator to approximate the root to the nearest thousandth.-
A. -2.858 B. -2.850 C. -2.872 D. -2.840