Use the square root method to solve the equation. y2 = 5
A. 25
B. ±
C. 
D. 2.5
Answer: B
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Simplify the expression.(x2)-6
A. -6x2
B. -6x12
C. - x12
D. 
Solve the problem. POLLUTION 
Years since 1980Use the ordered pairs (2, 14.78), (6, 11.82), and (8, 13.58) to find a quadratic function that models the data. Round the values of a, b, and c to two decimal places.
A. y = -2.90x2 + 0.27x + 20.5 B. y = 0.27x2 - 2.90x + 19.50 C. y = 2.9x2 - 0.27x + 19.50 D. y = -2.90x2 + 0.27x + 19.50
Use the graph of the relation to identify the domain and range.y = x3 + 1
A. domain: (-?, ?) range: (-?, ?) B. domain: (-1, ?) range: (-?, ?) C. domain: (1, ?) range: (-?, ?) D. domain: (-?, ?) range: (1, ?)
Give the equation of the vertical asymptote(s) of the rational function.g(x) = 
A. x = 0, x = 2, x = 7 B. x = 2, x = 7 C. x = 1, x = -2, x = -7 D. x = -2, x = -7