If y varies directly as x, find a linear function which relates them.y = 5 when x = 40

A. f(x) = 8x
B. f(x) = 
C. f(x) = 
D. f(x) = x + 35


Answer: C

Mathematics

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A. May or may not be symmetric with respect to the line ? = 
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Find cos(A + B).cos A = -  and tan B = , with A and B in quadrant III.

A.
B.
C.
D.

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