Solve the equation using the quadratic formula (when necessary, round results to three significant digits).
A. 3.46, -1.49
B. 4.46, -1.49
C. 3.46
D. 3.46, -0.487
E. 4.46, -0.487
Answer: D
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Find the equation that the given graph represents and give the domain, range, and interval(s) over which the function is increasing and decreasing.
A. P(x) = -x3 + 20x; domain: (-?, ?); range: (-?, ?); Increasing over [-2.57, 2.57]; Decreasing over (-?, -2.57] and [2.57, ?) B. P(x) = x3 - 4x2 + 20x; domain: (-?, ?); range: (-?, ?); Increasing over [-1.96, 1.96]; Decreasing over (-?, -1.96] and [1.96, ?) C. P(x) = -x3 + 4x2 - 9; domain: (-?, ?); range: (-?, ?); Increasing over (-?, -2.18] and [2.18, ?); Decreasing over [-2.18, 2.18] D. P(x) = x3 + 9x; domain: (-?, ?); range: (-?, ?); Increasing over (-?, -3.14] and [3.14, ?); Decreasing over [-3.14, 3.14]
Find the percent. Round to the nearest tenth of a percent.What percent of 200 miles is 12.1 miles?
A. 6.1% B. 0.1% C. 0.2% D. 1652.9%
Is the following correspondence a function?DomainRange 
A. Yes B. No
Simplify the fraction.
A. 
B. 
C. 
D. 