Solve the problem.A rectangular piece of cardboard measuring 27 inches by 41 inches is to be made into a box with an open top by cutting equal size squares from each corner and folding up the sides. Let x represent the length of a side of each such square. For what value of x will the volume be a maximum? If necessary, round to 2 decimal places.
A. 5.32 in.
B. 34.7 in.
C. 17.35 in.
D. 21.22 in.
Answer: A
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Solve the problem.The polynomial 1 + 7x + 21x2 is used to approximate 
on the interval 
. Use the Remainder Estimation Theorem to estimate the maximum absolute error.
A. ? 2.061 x 10-5 B. ? 3.642 x 10-5 C. ? 3.642 x 10-4
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 0 B. -12 C. 1 D. -4
Answer the question.How can the graph of f(x) = 
+ 6 be obtained from the graph of 
A. Shift it horizontally 9 units to the left. Shift it 6 units down.
B. Shift it horizontally 9 units to the right. Shift it 6 units up.
C. Shrink it vertically a factor of 
. Shift it 6 units up.
D. Stretch it vertically by a factor of 9. Shift it 6 units up.
Express the number in scientific notation.7,910,840
A. 7.91084 × 107 B. 7.91084 × 10-6 C. 7.91084 × 106 D. 7.91084 × 101