Divide using long division.
A. 5t2 + 3t + 6
B. 5t2 - 2t + 6
C. 5t2 - 3t + 6
D. 5t2 - 3t - 6
Answer: C
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Evaluate the integral by using a substitution prior to integration by parts.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Find all the second order partial derivatives of the given function.f(x, y) = cos (xy2)
A. 
= - y2 sin xy2; 
= 2y
; 
= 
= 2
B. 
= -y4 cos xy2; 
= - 2x[2xy2 cos (xy2) + sin(xy2)]; 
= 
=
- 2y[xy2 cos (xy2) + sin(xy2)];
C. 
= y2 sin xy2; 
= 2[2y2 cos (xy2) - sin (xy2)] ; 
= 
= 2y[y2 cos (xy2) - sin (xy2)]
D. 
= - y2 sin xy2; 
= 2[ sin (xy2)- 2y2 cos (xy2)] ; 
= 
= 2y [sin (xy2)-y2 cos (xy2)]
Solve the problem.If the price charged for a bolt is p cents, then x thousand bolts will be sold in a certain hardware store, where 
. How many bolts must be sold to maximize revenue?
A. 2976 thousand bolts B. 1488 bolts C. 2976 bolts D. 1488 thousand bolts
Solve the problem.A computer science major found that the grade he earned on his programs increased with the time he spent working on them in the computer lab. He made a table of the hours spent in the lab and the corresponding program grades. Let g represent the grade earned when h hours are spent in the lab.
a)Draw a scatterplot for the data.b) Sketch a line that comes close to the data points in the scatterplot. Use your linear model to estimate the program grade when 3 hours are spent in the lab. State whether you used interpolation or extrapolation to obtain your result.
height="150" width="225" /> What will be an ideal response?