Find the requested value for the given functions.f(x) = x + 11, g(x) = x2 - 4x - 3Find (f ? g)(x) and (f ? g)(12).
A. (f ? g)(x) = x3 + 15x2 + 47x + 33; (f ? g)(12) = 3357
B. (f ? g)(x) = x3 - 4x2 - 3x; (f ? g)(12) = 1116
C. (f ? g)(x) = x3 + 7x2 - 47x - 33; (f ? g)(12) = 2139
D. (f ? g)(x) = 11x3 + 44x2 - 33x; (f ? g)(12) = 12,276
Answer: C
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The graph represents the 24-hour day of a small-business owner.
What fraction of the day is spent in work, worry, and travel?
A. 
B. 
C. 
D. 
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
[3 ln (x + 6) - ln x - ln(x2 - 4)]
A. ln 
B. ln 
C. ln 
D. ln 
Solve.log2
= x
A. x = 
B. x = 2
C. x = 
D. x = -2
Solve by the quadratic formula. If there are no real roots, say so.3m2 + 8m + 2 = 0
A. m = 
B. m = 
C. m = 
D. m = 