Evaluate the expression for the given replacement values.xy for x = 8, y = -2.9
A. 23.2
B. -232
C. 232
D. -23.2
Answer: D
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Provide an appropriate response.Suppose that g(0) = 5 and that g'(t) = -2 for all t. Must g(t) = -2t + 5 for all t?
What will be an ideal response?
Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis.About the y-axisx = 
A. 19?
B. 
?
C. 18?
D. 
?
Write the following in decimal notation.Two thousand five hundred eighty-five and four hundred twenty-five ten-thousandths
A. 2585.00425 B. 2585.425 C. 25,850.0425 D. 2585.0425
Solve.If the height of a rectangular solid is held constant, the volume varies jointly with the length and the width. If the volume is 128 cubic inches when the length is 8 inches and the width is 4 inches, find the volume when the length is 7 inches and the width is 5 inches.
A. 105 in.3 B. 140 in.3 C. 112 in.3 D. 160 in.3