Use the product rule to simplify the expression. Assume that the variables can be any real number.

A. (x + y)6/5
B. (x + y)5/6
C. (x5 + y5)1/6
D. (x6 + y6)1/5


Answer: B

Mathematics

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Sketch a typical level surface for the function.f(x, y, z) = x - y2 - z2

A.

B.

C.

D.

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Simplify.|6|

A. 0 B. 12 C. 6 D. -6

Mathematics

Find the exact value of the expression.

A. - 
B. - 
C. -2
D. -

Mathematics

The table lists data that are exactly linear. (i) Find the slope-intercept form of the line that passes through these data points. (ii) Predict y when x = -1.5 and 4.6. 

A. y = 4.6x + 93.3; y = -100.2, y = -72.14 B. y = 2.3x + 93.3; y = 89.85, y = 103.88 C. y = -4.6x + 93.3; y = 100.2, y = 72.14 D. y = -2.3x + 93.3; y = 96.75, y = 82.72

Mathematics