Solve the problem.Given the total-revenue functionR(x) = 7600x,and the total-cost functionC(x) = x3 - 2x2 + 5x + 100,if P(x) is the total profit function, find ?P and P'(x) when x = 50 and ?x = 1.
A. ?P = $149; P'(50) = $141
B. ?P = $146; P'(50) = $290
C. ?P = $141; P'(50) = $295
D. ?P = $146; P'(50) = $295
Answer: D
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Solve the problem.Tom has a balance of $4261.15 on a credit card with an annual percentage rate (APR) of 13.7%. His credit card requires a minimum monthly payment of 2% of the balance. If he transfers his balance to a credit card with an APR of 9.2% how much more of his first payment would be applied to reduce the principal than if he had not transferred his balance?
A. $19.88 more will be applied to principal B. $32.67 more will be applied to principal C. $15.98 more will be applied to principal D. $52.55 more will be applied to principal
Factor out the negative GCF from the polynomial. If the GCF is 1, factor out -1.-3x + 18
A. -3(x - 18) B. -3(x + 6) C. -3(x + 18) D. -3(x - 6)
Express the phrase as a ratio in lowest terms.135 cm to 75 cm
A. 
B. 
C. 
D. 
Find the requested function.If f(x) = x2 - 5x + 4, find f(x + 4).
A. x2 + 3x + 0 B. x2 + 3x + 24 C. x2 - 5x + 4 D. x2 - 5x + 0