Find an equation of variation if the following conditions exist.Suppose y varies directly as x and y = 10 when x = 12 

A. = x
B. = x
C. = x
D. =  x


Answer: D

Mathematics

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Determine if the piecewise defined function is differentiable at the origin.f(x) = 

A. Not differentiable B. Differentiable

Mathematics

Find the limit.

Mathematics

Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = 9

A. y = u9; u = 6x2 -  - x;  = 98
B. y = u9; u = 6x2 -  - x;  = 98
C. y = u9; u = 6x2 -  - x;  = 98
D. y = 6u2 -  - u; u = x9 = 12x18 -  - x9

Mathematics

Solve. Round results to the nearest thousandth.2x2 + 4x = -1

A. 1.707, 0.293 B. -0.586, -3.414 C. -0.293, -1.707 D. 0.225, -2.225

Mathematics