Find the x-values where the function does not have a derivative.
A. x = -2, x = 2
B. x = -2, x = 0, x = 2
C. x = 0
D. Exists at all points
Answer: B
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Find an upper bound for the magnitude |E| of the error in the linear approximation L to f at the given point over the given region.
at (1, 1, 1)R: |x - 1| ? 0.1, |y - 1| ? 0.1, |z - 1| ? 0.1
A. |E| ? 0.0225 B. |E| ? 0.027 C. |E| ? 0.0337 D. |E| ? 0.0253
Use the properties of exponents to simplify the expression. Write with positive exponents.(-4p2/7 - 5p3/7)(-4p2/7 - 5p3/7)
A. 16p4/7 + 40p5/7 + 25p6/7 B. 16p4/7 + 20p5/7 + 25p6/7 C. 16p4/49 + 5p D. -8p4/7 + 20p-10/7 - 10p6/7
Use the formula for the sum of the first n terms of an arithmetic sequence.Find 
.
A. 2759 B. 2960.5 C. 2852 D. 2666
Complete the identity.cos4 x - sin4 x = ?
A. 1 + 2sin2 x B. 1 - 2cos2 x C. 1 + 2cos2 x D. 1 - 2sin2 x