Solve using the quadratic formula. Use a calculator to approximate the solution to three decimal places.
x2 - x + 
= 0
A. 0.5, 2.5
B. 0.382, 2.618
C. 2.5
D. -0.303, 3.303
Answer: B
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A. 1591 B. 15,131 C. 1831 D. 1631
Classify the function as a polynomial function, rational function, or root function, and then find the domain. Write the domain in interval notation.g(x) = 
A. rational function; (9, ?) B. rational function; (-?, 0) ? (0, ?) C. rational function; (-?, -3) ? (-3, 3) ? (3, ?) D. rational function; (-?, ?)
Solve the problem.A bacterial culture has an initial population of 10,000. If its population declines to 6000 in 8 hours, what will it be at the end of 10 hours? Assume that the population decreases according to the exponential model.
A. 2000 B. 5281 C. 2641 D. 5061
Find the slope of the line. 
A. -5 B. -1 C. 5 D. 1