Find numbers a and b, or k, so that f is continuous at every point. 

A. k = 72
B. k = 56
C. k = -8
D. Impossible


Answer: B

Mathematics

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What will be an ideal response?

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Solve.A rectangular metal sheet has an area of 156 square centimeters. Four squares with sides 2 cm are cut from the corners of the sheet, and the edges are bent upward to form an open box with a volume of 72 cubic centimeters. Find the dimensions of the box.

A. Length = 9 cm; width = 8 cm; height = 2 cm B. Length = 9 cm; width = 2 cm; height = 8 cm C. Length = 11 cm; width = 10 cm; height = 2 cm D. Length = 13 cm; width = 12 cm; height = 2 cm

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A. x = 0 B. No maximum C. x = 2 D. x = -1

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Convert the improper fraction to a mixed number.

A. 8
B. 6
C. 7
D. 7

Mathematics