Rewrite the rational expression as an equivalent rational expression with the given denominator.
= 
A. 
B. 
C. 
D. 
Answer: C
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Decide whether or not the points are the vertices of a right triangle.(-6, -6), (0, -4), (6, -11)
A. Yes B. No
Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the value of the function at the right side of the rectangle.f(x) = e-x + 2 from x = -2 to x = 6; n = 4
A. 22.29 B. 16.02 C. 33.09 D. 18.31
Tell whether a linear model or a quadratic model is appropriate for the data. If a quadratic model is appropriate, then decide also whether the lead coefficient should be positive or negative.
A. Quadratic; leading coefficient positive B. Linear C. Quadratic; leading coefficient negative
Write the inequality in interval notation.x < -7
A. (-?, -7) B. (-?, -7] C. [-7, ?) D. (-7, ?)