Find all solutions to the equation. Express your answer in degrees.cos2 t - 9 cos t + 18 = 0
A. 45° + 90°? n
B. No solutions
C. 60° + 180°? n
D. 90° + 360°? n
Answer: B
Mathematics
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Determine whether the pair of vectors is orthogonal.
, 
A. Yes B. No
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Verify the identity.cos
= -sin x
What will be an ideal response?
Mathematics
Solve the problem.Find the exponential function that models the data in the table below.
A. f(x) = 22 ? 0.7x B. f(x) = 10.78 ? 0.7x C. f(x) = 10.78 ? 1.3x D. f(x) = 15.4 ? 1.7x
Mathematics
Find the vertical asymptotes of the rational function.g(x) = 
A. x = -5, x = -4 B. x = 5, x = 4 C. x = -7 D. x = 5, x = 4, x = -7
Mathematics