Evaluate the derivative of the given function for the given value of x.y = (7 - x3)-1, x = -1
A. - 
B. 
C. - 
D. 
Answer: B
Mathematics
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Find the value of d2y/dx2 at the point defined by the given value of t.x = sin t, y = 9 sin t, t = 
A. 18 B. -9 C. 0 D. -18
Mathematics
Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, 
), on the circle 
, also lies on the terminal side of an angle ? in quadrant II. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant III.g(2?)
A. 
B. 
C. - 
D. - 
Mathematics
Convert the angle from radians to degrees.
A. 90° B. 180° C. 360?° D. 144°
Mathematics
Evaluate.45 ÷ 3y, for y = 5
A. 75 B. 3 C. 9 D. 15
Mathematics