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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Replace the ? with the inequality symbol <, >, or =.|-40| ? |-33|
A. < B. > C. =
Mathematics
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, ?)
Mathematics
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