Solve the problem.Find f(k - 1) when f(x) = 3x2 - 4x - 1.
A. 3k2 - 10k + 6
B. -10k2 + 3k + 6
C. 3k2 - 7k - 2
D. 3k2 - 10k - 2
Answer: A
Mathematics
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Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 1
Mathematics
Rationalize the denominator. If any variables are present, assume that they represent nonnegative numbers, and assume that the denominator is not zero.
A. 
B. 
C. 
D. 
Mathematics
Solve.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where c is cost and x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 48 watches B. 20 watches C. 29 watches D. 58 watches
Mathematics
Divide.
A. -2x10 B. 2x10 C. -2x6 D. 2x6
Mathematics