Determine the function f(x) that has been graphed. The function will be of the form f(x) a
+ k or f(x) = a(x - h)3 + k. Assume a = 1 or a = -1.
A. f(x) = -
- 5
B. f(x) = -
+ 5
C. f(x) = -
- 5
D. f(x) = -
+ 5
Answer: D
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Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 
B. 10
C. 
D. 
Find the least common denominator for the expression.
+ 
A. x( x + 2)( x - 2) B. x( x - 2) C. ( x2 + 2)( x2 - 2) D. x( x + 2)
Use regression to solve the problem. Round numbers to the nearest hundredth.The first column shows the independent variable (x). The second column shows the dependent variable (y).
Find the quadratic regression model.
A. y = -0.02x2 + 2.90 x + 3.70 B. y = -0.01x2 + 3.80 x + 3.20 C. y = -0.02x2 + 3.20 x + 3.20 D. y = -0.01x2 + 3.20 x + 3.70
Find the x- and y-intercepts of f.f(x) = (x - 3)2(x2 - 25)
A. x-intercepts: 3, 25; y-intercept: 75 B. x-intercepts: -3, -25; y-intercept: 75 C. x-intercepts: -5, 3, 5; y-intercept: 225 D. x-intercepts: -5, 3, 5; y-intercept: -225