Solve the problem.The total cost to produce x handcrafted wagons is C(x) = 110 + 7x - x2 + 2x3. Find the marginal cost when 
A. 375
B. 485
C. 1126
D. 1016
Answer: A
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Perform the following operations in the proper order. Write your answer in simplest form.
A. - 
B. undefined
C. - 
D. - 
Solve the problem.Adam owes $7680 in student loans. If he agrees to consolidate the loans and repay the total amount over 96 months, what would his monthly payment be?
A. $960 B. $640 C. $80 D. $768
Solve the problem.The pH of a chemical solution is given by the formula pH = -log10[H+] where [H+] is the concentration of hydrogen ions in moles per liter. Find the pH if the [H+] = 9.4 × 10-9.
A. 8.97 B. 9.03 C. 8.03 D. 9.97
Rewrite using the power and product rules. Assume all variables represent positive real numbers.ln x4y5z2
A. 4ln x - 5ln y - 2ln z
B. 4ln x + 5ln y + 2ln z
C. ln 4x + ln 5y + ln 2z
D. ln 
+ ln 
+ ln 