Solve the problem.The cost of manufacturing a molded part is related to the quantity produced during a production run. When 100 parts are produced, the cost is $300. When 400 parts are produced, the cost is $2700. What is the marginal cost of the function?
A. $0.13 per part
B. $9.00 per part
C. $8.00 per part
D. $6.00 per part
Answer: C
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Use the maximum/minimum finder on a graphing calculator to determine the approximate location of all local extrema.f(x) = x4 - 3x3- 21x2 + 74x + 19
A. Approximate local maximum at 1.555; approximate local minima at -2.999 and 3.721 B. Approximate local maximum at 1.648; approximate local minima at -3.069 and 3.781 C. Approximate local maximum at 1.681; approximate local minima at -3.16 and 3.692 D. Approximate local maximum at 1.604; approximate local minima at -3.089 and 3.735
Solve the problem.A cafe sold 3 cups 3 fluid ounces of soup this morning, 9 cups 4 fluid ounces this afternoon, and 6 cups 5 fluid ounces this evening. What was the total amount of soup that the cafe sold today?
A. 18 cups 12 fluid ounces B. 18 cups 3 fluid ounces C. 19 cups 3 fluid ounces D. 19 cups 4 fluid ounces
Solve the logarithmic equation.ln(4x - 5) = ln 5 - ln(x - 1)
A. 
B. ?
C. 
D. 
Factor the trinomial.z2 - 2z - 80
A. (z + 8)(z - 10) B. (z - 80)(z + 1) C. (z - 8)(z + 10) D. (z - 8)(z - 10)