Rewrite the quadratic equation in the form ax2 + bx + c = 0, then identify a, b, and c. 2x2 + 11 = 0
A. a = 2, b = 0, c = -11
B. a = 2, b = 11, c = 0
C. a = 2, b = 0, c = 11
D. a = 0, b = 2, c = 11
Answer: C
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You are given the population and the growth rate as of 2000 for a hypothetical country. Assume that the growth rate remains the same from year to year. Using an exponential function to model population growth, determine the size of the population in the specified year.Population = 1257 million, growth rate = 1.4 percent, year: 2019
A. 1614.4 million B. 1659.9 million C. 1257.0 million D. 1637.0 million
Divide.
A. 551 B. 561 R30 C. 541 D. 556 R22
Divide and simplify.
÷ 
A. -6
B. -2
C. 
D. 2
Solve the problem.Suppose a cost-benefit model is given by y = 
, where y is the cost in thousands of dollars for removing x percent of a given pollutant. What percent of pollutant can be removed for $40,000? Round to the nearest tenth of a percent.
A. 578.4% B. 107.9% C. 93.2% D. 9.3%