Rewrite the expression in terms of exponentials and simplify the results.
2
A. e-10x2
B. -e-20x
C. e20x - e-20x
D. e-20x
Answer: D
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Provide an appropriate response.What does the graph of the equation 
look like?
A. The yz-plane B. The y-axis C. The xz-plane D. The x-axis
Shade the regions representing the set.A ? (B ? C') 
A. 
B. 
C. 
D. 
Solve the problem.A license plate is to consist of 3 letters followed by 3 digits. Determine the number of different license plates possible if the first letter must be an N , M , or P and repetition of letters and numbers is not permitted.
A. 9,072,000 B. 162,000 C. 1,296,000 D. 1,386,000
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