Find an equation of variation if the following conditions exist.Suppose y varies directly as x and y = 0.2 when x = 0.8.

A. y = -0.6x
B. y = x
C. y = 1x
D. y = 4x


Answer: B

Mathematics

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Evaluate the definite integral.

A.
B. - 
C.
D.

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Verify that each equation is an identity.cos(3x) = cos3 x - 3 sin2 x cos x

What will be an ideal response?

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Solve the problem.How long will it take for $9800 to grow to $46,800 at an interest rate of 9.1% if the interest is compounded continuously? Round the number of years to the nearest hundredth.

A. 0.82 B. 1718.13 C. 17.18 D. 1.72

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Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 

A.
B. (0, 11)
C.
D. none

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