Solve the problem.Find a so that x - 2 is a factor of10x3 - 16x2 + x - a.

A. -9
B. 9
C. 18
D. 2


Answer: C

Mathematics

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Find the absolute extreme values of the function on the interval.g(x) = 10 - 7x2, -4 ? x ? 5

A. absolute maximum is 70 at x = 0; absolute minimum is -102 at x = -4 B. absolute maximum is 20 at x = 0; absolute minimum is -102 at x = 5 C. absolute maximum is 7 at x = 0; absolute minimum is -185 at x = 5 D. absolute maximum is 10 at x = 0; absolute minimum is -165 at x = 5

Mathematics

Solve the problem.One maid can clean the house in 6 hours. Another maid can do the job in 8 hours. How long will it take them to do the job working together?

A.  hr
B.  hr
C.  hr
D.  hr

Mathematics

Decide whether or not the matrices are inverses of each other. and 

A. Yes B. No

Mathematics

Using a calculator, evaluate the expression. Round the answer to four decimal places.sin(cos-1 0.8324)

A. 0.1389 B. 0.0175 C. 0.6324 D. 0.5542

Mathematics