Solve the problem.A repair company's charge for repairing a certain type of copy machine fits the model  where y is the number of dollars charged and x is the number of minutes the repair person is on the job. How many minutes would it take for the cost of repair to reach $120? (Round to the nearest minute.)

A. 187 min
B. 12 min
C. 271 min
D. 118 min


Answer: D

Mathematics

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Find the formula for the function.Express the area of a circle as a function of its radius r.

A. A = 2?r B. A = ?r3 C. A = ?r2 D. A = ?r

Mathematics

Find the extreme values of the function and where they occur.y = (x - 3)2/3

A. Absolute maximum value is 0 at x = -3. B. There are no definable extrema. C. Absolute minimum value is 0 at x = -3. D. Absolute minimum value is 0 at x = 3.

Mathematics

Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the . y = , y = 1, x = 0 to x = 

A.  - ?
B.  - 
C.  - 
D.  + ?

Mathematics

Refer to this figure to answer the question. Line DH is parallel to line IM. Line BO is perpendicular to line DH.  m(?IJN) is 56°. m(?IJN) = m(?PLM). What is the measure of ?FGL?

A. Can't determine B. 124° C. 34° D. 56°

Mathematics