Solve the problem.Given f(x) = x2 + 5x + 1, find f(3).
A. 25
B. -5
C. -7
D. 23
Answer: A
Mathematics
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Add or subtract. Write the answer in lowest terms.
+ 
A. m - 3
B. 
C. m - 4
D. m + 4
Mathematics
Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. - 
B. - 
C. - 
D. 
Mathematics
Express as a single logarithm.3 loga (2x + 1) - 2 loga (2x - 1) + 2
A. loga (2x + 3)
B. loga 
C. loga 2(x + 1)
D. loga (2x + 1) + 2
Mathematics
Find the break-even point for the total-cost and total-revenue functions.C(x) = 20x + 312,000R(x) = 85x
A. (4900 units, $416,500) B. (4700 units, $399,500) C. (5000 units, $425,000) D. (4800 units, $408,000)
Mathematics