Evaluate the expression.(f ? g)(-9) when f(x) = -6x + 3 and g(x) = -7x2 - 4x - 5.
A. -561
B. -22,976
C. 3219
D. -632
Answer: C
Mathematics
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Solve the problem.Write the equation that describes the simple harmonic motion of a particle moving uniformly around a circle of radius 8 units, with angular speed 5 radians per second.
A. s(t) = 5 sin 8t
B. s(t) = sin 8t + 5
C.
| s(t) = 8 sin 5t |
D.
| s(t) = 8 cos 5t |
Mathematics
Write the standard equation for the circle.Center at 
, radius 
A. 
2 + 
2 = 
B. 
2 + 
2 = 
C. 
2 + 
2 = 
D. 
2 + 
2 = 
Mathematics
Find the remaining sides of a 30° - 60° - 90° triangle if the longest side is 15.
What will be an ideal response?
Mathematics
Write the following in terms of sin ? and cos ? and then simplify if possible.
?
What will be an ideal response?
Mathematics