Solve.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by  where c is the cost in dollars, and x is the number of watches repaired. How many watches must he repair to have the lowest cost?

A. 68 watches
B. 34 watches
C. 30 watches
D. 32 watches


Answer: D

Mathematics

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When a car makes an emergency stop on dry pavement, it leaves skid marks on the pavement.  The length L, in feet, of the skid marks is related to the speed S, in miles per hour, when the brakes were applied. The relationship is

.
A: Make a graph of S against L  for skid mark lengths up to 200 feet.B: A man involved in an emergency stop claimed his speed was between 30 and 40 miles per hour.  Add the horizontal lines represented by and  to the graph you made in part A.C: What range of skid mark length would support the driver's claim? Round your answer to two decimal places/

What will be an ideal response?

Mathematics

Provide an appropriate response.Provide a short sentence that summarizes the general limit principle given by the formal notation   given that  and 

A. The sum or the difference of two functions is continuous. B. The sum or the difference of two functions is the sum of two limits. C. The limit of a sum or a difference is the sum or the difference of the functions. D. The limit of a sum or a difference is the sum or the difference of the limits.

Mathematics

What is the voltage when I = 10 mA?



What will be an ideal response?

Mathematics

For the given angle, name the quadrant in which the terminal side lies.-296°

A. I B. II C. III D. IV

Mathematics