Find (P ? Q)(x).P(x) = x + 5; Q(x) = x2 - 8x - 12
A. x3 - 3x2 - 52x - 60
B. x3 + 13x2 + 52x + 60
C. x3 - 8x2 - 12x
D. 5x3 + 40x2 - 60x
Answer: A
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Provide an appropriate response.A couple bought a motorboat for $11,000 and agreed to pay off the loan by making monthly payments of $559. If the dealer charges an interest rate of 8.9% compounded monthly, how many months will it take to pay off the debt?
Fill in the blank(s) with the appropriate word(s).
Add. Do not use a number line except as a check.-8.3 + (-7.4)
A. -15.7 B. 15.7 C. 0.9 D. -0.9
Identify the place value of the digit 5 in the decimal number. 6.98507
A. thousands B. thousandths C. hundredths D. tenths
Solve the system of equations. If the system has no solution, say that it is inconsistent.
A. x = -8, y = 0; (-8, 0)
B. y = - 
- 4, where x is any real number
or {(x, y) | y = - 
- 4, where x is any real number}
C. x = 0, y = 0; (0, 0)
D. inconsistent