Use a vertical format to find the product.y2 + 3y - 9
A. -7y4 - 6y3 - 13y2 - 12y - 63
B. y4 + 2y3 - 16y2 - 30y - 63
C. -7y4 - 21y3 + 63y2
D. y4 + 2y3 - 19y2 - 12y + 63
Answer: D
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Solve the problem.Find the mass of the lamina covering the region inside the curve 
if 
.
A. 
?
B. 875?
C. 
?
D. 375?
Provide an appropriate response.Use a calculator to find sin 0.9657. Round to four significant digits.
Fill in the blank(s) with the appropriate word(s).
Find the second-order partial derivatives of the given function. Show that the mixed partial derivatives fxy and fyx are equal.
?
?
A. 
B. 
C. 
D. 
Solve by graphing.The cost y (in hundreds of dollars) of tuition at one community college is given by the linear equation 
where x is the number of credits for which a student registers. Graph the equation and use the graph to estimate the cost of tuition if a student registers for 15 credits. 
A. $2900 B. $2100 C. $3300 D. $2175