Perform the indicated operation. ?

A. 1
B. -
C. -x
D. x

Answer: A

Mathematics

Evaluate the line integral of f(x,y) along the curve C.f(x,y) = 2y2, C: y = e-x, 0 ? x ? 4

A.
B.
C. 1[2 - (e^{- 8} + 1)^3/2]
D. [2 - (e^{- 8} + 1)^3/2]

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Mathematics

Find the equation of the least-squares regression line. Graph the line and data points on the same graph.

A. y = -2.79 + 0.950x

B. y = -2.79 + 0.897x

C. y = -3.79 + 0.801x

D. y = -3.79 + 0.897x

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Mathematics

Find all cube roots of the complex number. Leave answers in trigonometric form.64i

A. 1, -1, -i B. 4 cis 60°, 4 cis 180°, 4 cis 300° C. 4 cis 30°, 4 cis 150°, 4 cis 270° D. 4 cis 0°, 4 cis 120°, 4 cis 240°

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Mathematics

Convert using dimensional analysis.5 yards to inches

A. 1 in.
B. 15 in.
C. 180 in.
D. 60 in.

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Mathematics