Match the system of equations with one of the graphs.xy = 25x + y = 10
A. 
B. 
C. 
D. 
Answer: D
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Find f"(x) for the function.f(x) = 8x4 - 6x2 + 6
A. 96x2 - 12 B. 32x2 - 12x C. 32x2 - 12 D. 96x2 - 12x
Solve the problem.To get an A in biology, Fred must have a mean score of 91 on six quizzes. Scores on the first five quizzes were 93, 85, 87, 93, and 96. What is the lowest score that Fred can get on the last quiz and still receive an A?
A. 102 B. 90 C. 92 D. 91
An important calculation in calculus is the evaluation of the expression 
, where h ? 0. Find 
.f(x) = -14 - 5x
A. 
B. 
C. 5
D. -5
Solve.You plan to start a consulting business for software programming. You deposit $320 at the beginning of each month into an account paying 4.85% compounded monthly. How much interest will be earned in the account after seven years?
A. $13,013.07 B. $5,179.23 C. $12,820.52 D. $5,050.18