Perform the following calculations.(+8)(-7) - (-1)(-21)

A. -35
B. -19
C. -77
D. -21


Answer: C

Mathematics

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Find the Taylor polynomial of order 3 generated by f at a.f(x) = x3, a = 3

A. 27 + 9(x - 9) + 9(x - 9)2 + (x - 9)3 B. 27 + 27(x - 9) + 9(x -9)2 + (x - 9)3 C. 108 + 27(x - 9) + 6(x - 9)2 + (x - 9)3 D. 6 + 3(x - 9) + (x - 9)2 + (x - 9)3

Mathematics

Solve the problem.At Allied Electronics, production has begun on the X-15 Computer Chip. The total revenue function is given by and the total profit function is given by , where x represents the number of boxes of computer chips produced. The total cost function, C(x), is such that  Find C(x).

A. C(x) = 12x + 17 B. C(x) = 13x + 8 C. C(x) = -0.3x2 + 22x + 12 D. C(x) = 11x + 12

Mathematics

Find the exact value of y, or state that y is undefined.y = sin-1 

A. - 
B.
C.
D.

Mathematics

Find the domain of the function.h(x) = 

A. all real numbers B. {x|x ? -8, 0, 8} C. {x|x ? 2} D. {x|x ? 0}

Mathematics