Factor the expression completely.
?
?
A. 
B. 
C. 
D. The expression is prime.
Answer: D
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Use Newton's method to find an approximate answer to the question. Round to six decimal places.Where are the inflection points of f(x) = 
x4 + 
x3 - 5x2 + 7 located?
A. x ? -1.169188, 0.407283 B. x ? -1.170422, 0.907283 C. x ? -0.919188, 0.657283 D. x ? -1.058077, 0.296172
Use the REGRESSION feature on a graphing calculator.The total cost of the Democratic and the Republican national conventions has increased 596% over the 20-year period between 1980 and 2004. The following table lists the total cost, in millions of dollars, for selected years.
Find the exponential functions that best estimates this data. Round your answer to four decimal places
A. y = 22.2887x? (1.0929)x B. y = 6.6643x + 2.8857 C. y = 1.0929 ? (22.2887)x D. y = 22.2887 ? (1.0929)x
Solve the problem.Assume that the elevation E, in feet, of a sag in a proposed route is given by 
where x represents the horizontal distance in feet along the proposed route and 0 ? x ? 5000. For what x-values is the elevation 1300 feet or more? Round your answer to the nearest foot.
A. x < 893 ft or x > 5959 ft B. x < 893 ft or x > 5969 ft C. x < 883 ft or x > 5959 ft D. x < 883 ft or x > 5969 ft
Multiply. Simplify, if necessary.
? 
A. 
B. 
C. 
D. 