Given f(x) and g(x), perform the indicated operation.f(x) = -2x - 1; g(x) = -5x2 - x + 7Find (f ? g)(x).
A. -3x2 - 13x - 7
B. 10x3 + 3x2 - 13x - 7
C. 10x3 - 13x - 7
D. 10x3 + 7x2 - 13x - 7
Answer: D
Mathematics
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Solve.How many cubic feet of concrete are needed to pour 4 cylindrical pillars 6 feet high with a diameter of 10 inches? Round to the nearest hundredth.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Divide.
A. Undefined B. -79 C. 0 D. Indeterminate
Mathematics
Find the quotient.-20.61 ÷ 4.5
A. -4.48 B. -0.458 C. -0.448 D. -4.58
Mathematics
Solve the equation.
+ 
= 
A. 0 B. 1 C. 34 D. 2
Mathematics