Subtract and write the result in lowest terms.
- 
A. 0
B. 
C. 11
D. 
Answer: D
Mathematics
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Find the derivative.y = 9 sin 5x cos x
A. 9 sin 5x sin x + 45 cos x cos 5x B. sin 5x sin x + 45 cos x cos 5x C. -9 sin 5x sin x + 45 cos x cos 5x D. -9 sin 5x sin x + cos x cos 5x
Mathematics
Graph on a number line.-3 < x < 1 
A. 
B. 
C. 
D.
Mathematics
Write the first five terms of the geometric sequence.a1 = 5; r = 4
A. 5, 20, 80, 320, 1280 B. 4, 20, 100, 500, 2500 C. 5, 9, 13, 17, 21 D. 20, 80, 320, 1280, 5120
Mathematics
Determine the difference quotient 
(h ? 0) for the function f. Simplify completely.f(x) = 7 - 2x3
A. -2(x2 - xh - h2) B. -21x2 C. -2(3x2 + 3xh + h2) D. -2(3x2 - 3x - h)
Mathematics