Use a right triangle to write the expression as an algebraic expression. Assume that x is positive and in the domain of the given inverse trigonometric function.tan(sec-1 
)
A. 
B. 2x
C. 
D. 
Answer: C
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Find the derivative.y = 
+ 
A. y ' = 10 cos x - csc2 x B. y ' = -10 csc x cot x + sec2 x C. y ' = 10 csc x cot x - sec2 x D. y ' = 10 csc x cot x - csc2 x
Set up the percent proportion, and write "unknown" for the value that is not given. Recall that the percent proportion is 
= 
. Do not try to solve for any unknowns.9.5 is what percent of 13.2?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.30 L = 
gal
A. 31.8 gal B. 7.8 gal C. 13.5 gal D. 7.1 gal
Solve the problem.Find the fourth-degree polynomial satisfying the following conditions.P(-2) = -21, P(-1) = -13, P(0) = -17, P(1) = 21, P(2) = 275
A. P(x) = -5x4 + 19x3 - 16x2 - 2x + 17 B. P(x) = -67x4 + 229x3 + 275x2 + 245x - 17 C. P(x) = 5x4 + 19x3 + 16x2 - 2x - 17 D. P(x) = -379,720x4 - 54,936x3 - 162,144x2 - 398,200x - 17