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Suppose the average costs of a mining operation depend on the number of machines used, and average costs, in dollars, are given by 1,372 C(x)=7x+ , x>0, where x is the number of machines used. How many machines give minimum average costs? O a. Using zero machines gives the minimum average costs. O b. Using 33 machines gives the minimum average costs. O c. Using 24 machines gives the minimum average costs. O d. Using 14 machines gives the minimum average costs. O e. Using 28 machines gives the minimum average costs. Question 20 Not yet answered Marked out of 1.00 For the given equation, find the slope of the tangent to the curve at the point (5.72,-8). Round your answer to two decimal places. x²+6x+y²+16y-3-0 O a. -13.72 O b. -1.72 O c. undefined O d. 13.72

Suppose the average costs of a mining operation depend on the number of machines used, and average costs, in dollars, are given by 1,372 C(x)=7x+ , x>0, where x is the number of machines used. How many machines give minimum average costs? O a. Using zero machines gives the minimum average costs. O b. Using 33 machines gives the minimum average costs. O c. Using 24 machines gives the minimum average costs. O d. Using 14 machines gives the minimum average costs. O e. Using 28 machines gives the minimum average costs. Question 20 Not yet answered Marked out of 1.00 For the given equation, find the slope of the tangent to the curve at the point (5.72,-8). Round your answer to two decimal places. x²+6x+y²+16y-3-0 O a. -13.72 O b. -1.72 O c. undefined O d. 13.72

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Suppose the average costs of a mining operation depend on the number of machines used, and average costs, in dollars, are given by 1,372 T(x) = 7x + , x>0, where x is the number of machines used. How many machines give minimum average costs? a. Using zero machines gives the minimum average costs. O b. Using 33 machines gives the minimum average costs. O c. Using 24 machines gives the minimum average costs. O d. Using 14 machines gives the minimum average costs. O e. Using 28 machines gives the minimum average costs. Question 20 Not yet answered Marked out of 1.00 For the given equation, find the slope of the tangent to the curve at the point (5.72,-8). Round your answer to two decimal places. x²+6x+y+16y-3=0 a. -13.72 O b. -1.72 O c. undefined O d. 13.72
Transcribed Image Text:Suppose the average costs of a mining operation depend on the number of machines used, and average costs, in dollars, are given by 1,372 T(x) = 7x + , x>0, where x is the number of machines used. How many machines give minimum average costs? a. Using zero machines gives the minimum average costs. O b. Using 33 machines gives the minimum average costs. O c. Using 24 machines gives the minimum average costs. O d. Using 14 machines gives the minimum average costs. O e. Using 28 machines gives the minimum average costs. Question 20 Not yet answered Marked out of 1.00 For the given equation, find the slope of the tangent to the curve at the point (5.72,-8). Round your answer to two decimal places. x²+6x+y+16y-3=0 a. -13.72 O b. -1.72 O c. undefined O d. 13.72
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