Multiply and simplify.
? 108x
A. 
B. 
C. 6,804x
D. 
Answer: D
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Estimate the error in the quadratic approximation of the given function at the origin over the given region.
A. |E(x, y)| ? 0.864 B. |E(x, y)| ? 0.432 C. |E(x, y)| ? 0.216 D. |E(x, y)| ? 0.288
Use a calculator to solve the equation on the interval [0, 2?). Round the answer to two decimal places.cos x = 0.56
A. 0.98, 5.30 B. 0.98, 4.12 C. 0.98, 2.16 D. 0.98, 2.55
Provide an appropriate response.Which of the following is not an appropriate qualifying ratio?
A. debt-to-income ratio: fixed monthly expenses divided by the gross monthly income B. housing ratio: monthly housing expenses (PITI) divided by the gross monthly income C. loan-to-value ratio: the amount mortgaged divided by the appraised value of the property D. quick-income ratio: the amount of weekly pay divided by the gross monthly income
Find the real solutions of the equation by factoring.x3 + 4x2 - x - 4 = 0
A. {-4, 4} B. {16} C. {-1, 1, -4} D. {1, -4, 4}