Use the fundamental identities to simplify the expression.
+ sec ? cos ?
A. 1
B. tan2?
C. csc2?
D. sec2?
Answer: D
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Provide an appropriate response.Which of the following is not possible?
A. A distribution is symmetric and the mode is different from the mean. B. A distribution is symmetric and single peaked and the mean, median, and mode are all equal. C. Two data sets have equal means and modes but still have very different distributions. D. A distribution is symmetric and single peaked and the mode is greater than the mean.
Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = csc u, u = x5 + 10x
A. -(5x4 + 10) csc x cot x B. -(5x4 + 10) cot2(x5 + 10x) C. -(5x4 + 10) csc (x5 + 10x) cot (x5 + 10x) D. - csc (x5 + 10x) cot (x5 + 10x)
Write a linear inequality in two variables to represent the situation.Mrs. White wants to crochet hats and afghans for a church fund raising bazaar. She needs 5 hours to make a hat and 4 hours to make an afghan, and she has no more than 53 hours available. Let x represent the number of hats she makes and y represent the number of afghans she makes.
A. 5x + 4y ? 53 B. 5x + 4y + 53 ? 0 C. 5x + 4y ? 53 D. 4x + 5y ? 53
Use the given functions to find the requested function.f(x) = 
, g(x) = 
Find fg.
A. (
)(
)
B. (2x + 4)(4x - 16)
C. (2x + 4)(2x - 4)
D. (2x - 4)(
)