Answer the question.The graph of f'(x) is a parabola with vertex at (a, 0). The parabola opens down. What does this information tell us about the concavity associated with f(x)? Explain.
What will be an ideal response?
Concave up on (-?, a); concave down on (a, ?).
Mathematics
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Solve the differential equation.4y' = ex/4 + y
A. y = 
B. y = 
C. y = 
D. y = xex/4 + Cex/4
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Determine the amplitude or period as requested.Period of y = 5 sin 
A. 
B. 
C. 
D. 
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Find an equation of the circle with center at the origin that passes through (2, 1). ?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the exact value without using a calculator. sin 
A. 
B. 
C. - 
D. - 
Mathematics