Find a value for the constant a so that f(x) = ax2 models the data. 
A. a = 
B. a = 5
C. a = 9
D. a = 
Answer: B
Mathematics
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Provide the requested proof.In the figure below, BD = CD. Prove that 
What will be an ideal response?
Mathematics
Provide an appropriate response.Suppose the points (0, 2), (1, 3) and (2, 0) lie on the graph of the continuous function f. Using the trapezoidal rule and all of these points, an approximation to 
is
A. 6. B. 2. C. 10. D. 4. E. 8.
Mathematics
Solve the problem.If two sound sources at the same volume are equidistant from a microphone, the pressure on the microphone is given by p = a cos ?1t + a cos ?2twhere a, ?1, ?2 are constants and t is time. Write p as a product of cosine functions.
What will be an ideal response?
Mathematics
Use the product rule to simplify the expression.y9 ? y5 ? y-2
A. y90 B. y14 C. y12 D. y-90
Mathematics