Use the quotient rule to simplify the expression. Write the answer with only positive exponents.

A.
B. 314
C. -314
D.


Answer: B

Mathematics

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Find the first year's depreciation using the sum-of-the-years'-digits method of depreciation. Round to the nearest dollar. 

A. $21,571 B. $14,500 C. $24,857 D. $65,143

Mathematics

Suppose that a nonlinear system is composed of equations whose graphs are those described, and the number of points of intersection of the two graphs is as given. Make a sketch satisfying these conditions.A line and an ellipse; two points

What will be an ideal response?

Mathematics

For the given functions f and g, find the requested function and state its domain.f(x) = 16 - x2; g(x) = 4 - xFind f + g.

A. (f + g)(x) = -x2 + x + 12; all real numbers B. (f + g)(x) = x3 - 4x2 - 16x + 64; all real numbers C. (f + g)(x) = -x2 - x + 20; all real numbers D. (f + g)(x) = 4 + x; {x|x ? -4}

Mathematics

Solve the system by the substitution method or the addition method.

A.
B.
C. (2, -3)
D.

Mathematics