Solve.x2 = 81
A. 40.5
B. -9, 9
C. -10, 10
D. 9
Answer: B
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Express the relationship between a small change in x and the corresponding change in y in the form 
.f(x) = 3 cot 
A. dy = 3x3 csc2 
dx
B. dy = -3x3 csc 
dx
C. dy = -3x4 csc2 
dx
D. dy = -3x3 csc2 
dx
Perform the indicated operations. Leave the result in polar form.[2(cos 90° + j sin 90°)][5(cos 200° + j sin 200°)]
A. 10(cos 18,000° + j sin 18,000°) B. 7(cos 290° + j sin 290°) C. 7(cos 18,000° + j sin 18,000°) D. 10(cos 290° + j sin 290°)
Find the composition. If f(x) = 2x + 5 and g(x) = x + 2, find (f ? g)(x)
A. 2x + 7 B. 2x2 + 9x + 10 C. 2x + 9 D. 2x2 + 9
Provide an appropriate response.Which function has no vertical asymptote? Why? a. f(x) = src="https://sciemce.com/media/4/ppg__dsd0516192251__f1q32g7.jpg" style="vertical-align: -17.0px;" />
A. c. The denominator is never equal to 0.
B. b. The numerator is never equal to 0.
C. d. No factor from the denominator cancels out.
D. a. The degree of the denominator is larger than the degree of the numerator.
b. f(x) = 
c. f(x) = 
d. f(x) =