Evaluate.Find (f + g)(-1) when f(x) = x + 5 and g(x) = x + 4.

A. -11
B. 7
C. -1
D. -3


Answer: B

Mathematics

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Convert the Chinese numeral to Hindu-Arabic form.

A. 367 B. 357 C. 3570 D. 3057

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Solve the problem.A pipette has the shape of a right circular cylinder with a right circular cone at its end. The pipette is used to inject a nutritive suspension into a colony of microbes. The volume, in cubic centimeters, of a pipette of height h and radius r, both in centimeters, is given by the polynomial . How much nutritive suspension can be provided if the pipette has a radius of 0.2 cm and a height of 3.1 cm? Use 3.14 for ? and round to the nearest tenth cubic centimeter.

A. 8 cm3 B. 0.3 cm3 C. 1.1 cm3 D. 0.5 cm3

Mathematics

Solve the equation on the interval 0 ? ? < 2?.cos2 ? = 3(1 - sin ?)

A.
B. {0}
C.
D. {?}

Mathematics

Perform the operations indicated. Simplify the answer whenever possible. +  + 

A. 1 
B.
C. 1 
D.  

Mathematics