Find the indicated derivative.Find y " if y = 9 sin x.
A. y " = 9 cos x
B. y " = - 9 sin x
C. y " = 9 sin x
D. y " = 81 sin x
Answer: B
Mathematics
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Expand using the binomial theorem.(x + 8)5
A. x5 + 40x4 + 1280x3 + 10,240x2 + 20,480x + 32,768 B. x5 + 40x4 + 640x3 + 5120x2 + 20,480x + 8 C. x5 + 40x4 + 1280x3 + 10,240x2 + 20,480x + 8 D. x5 + 40x4 + 640x3 + 5120x2 + 20,480x + 32,768
Mathematics
Express each of the following statements in symbols, using <, >, ?, or ?.a is positive.
A. a ? 0 B. a < 0 C. a ? 0 D. a > 0
Mathematics
Determine whether the given number is a solution of the inequality.x > -5, -2.12
A. No B. Yes
Mathematics
Perform the indicated operation and simplify. Write the answer in the form a + bi.9i(6 - 2i)
A. 54i - 18i2 B. 54i + 18i2 C. 18 + 54i D. 54i - 18
Mathematics