Perform the requested composition or operation.Find (f - g)(-2) when f(x) = -4x2 - 3 and g(x) = x - 3.

A. -20
B. -14
C. -18
D. 21


Answer: B

Mathematics

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Convert as indicated. Express the answer in decimal form when needed.420 feet per second to feet per minute

A. 13 ft/min B. 3 ft/min C. 7 ft/min D. 17 ft/min

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Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.

A.

B.

C.

D.

Mathematics

Simplify the expression. Assume that all variables are positive when they appear.(3)(9)

A. 162
B. 162
C. 27
D. 972

Mathematics

If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions.

A. (-7.1, 5.53) B. (7.1, 5.53) C. infinite number of solutions D. no solution

Mathematics