Find v ? u.v = -4i + 7j and u = 8i + 8j

A. 24
B. 4i + 15j
C. -32i + 56j
D. -88


Answer: A

Mathematics

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D.

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A.
B.
C.
D.

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If y varies directly as x, find a linear function which relates them.y = 7 when x = 35

A. f(x) = 
B. f(x) = 
C. f(x) = 5x
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Evaluate the sum. Round to the nearest hundredth, if necessary.

A. 21 B. 15 C. 20 D. 11

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