The following is a graph of a polynomial function. State whether the degree of the polynomial is even or odd, and give the sign (+ or -) for the leading coefficient.
A. Degree is even; +
B. Degree is even; -
C. Can't identify degree; +
D. Degree is odd; +
Answer: A
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Solve.7x2 + 3 = 1186
A. 13 B. ±14 C. ±13 D. 593
Perform the indicated operations.Estimate by rounding to the nearest ten, then find the actual sum. 67489727
A. Estimate: 280 Actual: 239 B. Estimate: 276 Actual: 209 C. Estimate: 300 Actual: 266 D. Estimate: 290 Actual: 276
Solve the problem.In a survey of 2000 lawyers, 20 lawyers said they planned to exercise more this year. What percent of those surveyed planned to exercise more this year? Round to the nearest whole percent.
A. 200% B. 20% C. 10% D. 1%
Construct a 95% confidence interval for the population mean using the given information.Starting annual salary for all mechanical engineering graduates, 
= $68,400, E = $14,280
A. $61,260< ? < $75,540 B. $62,210< ? < $74,550 C. $54,120 < ? < $82,680 D. $52,140 < ? < $86,620