Find an equation for the line tangent to the curve at the point defined by the given value of t.x = sin t, y = 9 sin t, t = 

A. y = 9x - 9
B. y = -9x + 9
C. y = 9x + 
D. y = 9x


Answer: D

Mathematics

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A. < B. > C. =

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Solve the compound inequality. Write the solution set using interval notation and graph it.4x - 10 ? 18 and 2x - 1 ? 13

A. (-?, 7)

B. (7, ?)

C. {7}

D. [7, ?)

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Simplify.

A.
B.
C.
D.

Mathematics

Factor the polynomial.r2 + 2rs + s2 - 16

A. (r - s + 4)(r - s - 4) B. (r2 + 4)(s2 - 4) C. (r + s + 4)(r + s - 4) D. (r + s + 4)(r - s - 4)

Mathematics