Find the approximate solution(s) of the equation 2x² + 3x - 8 = 0 in the interval [-3, 3] by drawing a graph in an appropriate viewing rectangle. State each answer correct to two decimals.
What will be an ideal response?
-2.89, 1.39
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Factor.x2 + 121
A. (x + 11)2 B. (x - 11)2 C. (x - 11)(x + 11) D. Not possible
Use a calculator to find the value of y in degrees rounded to two decimal places.y = tan-1 0.5124
A. 32.13° B. 29.13° C. 27.13° D. 22.13°
Add or subtract the functions, as indicated.P(x) = 7x6 + 2x4 + 20, Q(x) = 5x6 - 3x4 - 19, R(x) = x7 + 15; Find (P - Q + R)(x).
A. x7 + 2x6 + 7x4 + 16 B. 61x10 C. x7 + 2x6 + 5x4 + 54 D. x7 + 2x6 + 5x4 + 16
Solve the problem.Suppose that during the 1990s, the population of a certain country was increasing by 2.5% each year. If the population at the end of 1993 was 5.3 million, what was the population at the end of 1997? Round your answer to the nearest hundredth of a million.
A. 5.71 million B. 5.43 million C. 5.83 million D. 5.85 million