Write a cost function for the problem. Assume that the relationship is linear.Marginal cost, $90; 30 items cost $3000 to produce
A. C(x) = 10x + 3000
B. C(x) = 10x + 300
C. C(x) = 90x + 3000
D. C(x) = 90x + 300
Answer: D
Mathematics
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Translate the sentence into an equation. Use x to represent the unknown number. The quotient of a number and 4 results in 10.
A. 
= 10
B. 4 - x = 10
C. 
= 10
D. 4x = 10
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A. 
B. 
C. 
D. 
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Use Part 1 of the Fundamental Theorem of Calculus to find the derivative of the function.
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Express as a single logarithm and, if possible, simplify.loga69 + loga 2
A. loga 
B. loga 69 ? loga 2
C. 69 loga 2
D. loga 138
Mathematics