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
Mathematics
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. 
B. (0, 11)
C. 
D. none
Mathematics