List the x- and y-intercepts, and graph the function.f(x) = 
A. x-intercept: (1, 0) , y-intercept: 
;
B. x-intercept: (-1, 0) , y-intercept: 
;
C. x-intercept: (1, 0) , y-intercept: 
;
D. x-intercept: (-1, 0) , y-intercept: 
;
Answer: A
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Solve the problem.As a safety precaution, emergency workers evacuated residents within a 5 mile radius of a chemical spill. The evacuated area can be represented by the inequality x2 + y2 ? 25. Graph this inequality. 
A. 
B. 
C. 
D. 
Simplify the complex fraction.
A. 
B. 
C. 
D. 
Solve the problem.Suppose that during a certain step in a chemical manufacturing process the amount of hydrogen sulfide dissolved in a solution, measured in parts per million (ppm), is related to the elapsed time measured from the beginning of the step. Use the following table as a representation of this relationship. Write the data from the table as ordered pairs (x, y), where x represents the time and y represents the amount dissolved.
A. (0, 20.0), (4, 22.4), (8, 24.4), (12, 26.4), (16, 28.2) B. (4, 20.0), (8, 22.4), (12, 24.4), (16, 26.4), (20, 28.2) C. (1, 20.0), (2, 22.4), (3, 24.4), (4, 26.4), (5, 28.2) D. (20.0, 4), (22.4, 8), (24.4, 12), (26.4, 16), (28.2, 20)
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.7x2 + 17x - 12
A. (x - 4)(7x + 3) B. (x + 3)(7x - 4) C. (x - 3)(7x + 4) D. Prime