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
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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
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. 
Simplify the expression. Assume that all variables are positive when they appear.(3
)(9
)
A. 162
B. 162
C. 27
D. 972
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