Write the inequality using interval notation. Graph the inequality.-2 ? x < 2
A. [-2, 2]
B. [-2, 2)
C. (-2, 2)
D. (-2, 2]
Answer: B
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Using the derivative of f(x) given below, determine the intervals on which f(x) is increasing or decreasing.f'(x) = (x + 3)2 e-x
A. Never decreasing; increasing on (-?, 3) ? (3, ?) B. Never increasing; decreasing on (-?, -3) ? (-3, ?) C. Decreasing on (-?, -3); increasing on (-3, ?) D. Never decreasing; increasing on (-?, -3) ? (-3, ?)
The data table has been generated by a linear, quadratic, or cubic function f. All zeros of f are real numbers located in the interval 
By making a line graph of the data, conjecture the degree of f.
A. 1 B. 2 C. 3 D. 4
Write the equation of a line through the given points in the form 
, where A, B, and C are integers and A > 0.(-4, -7), (-4, 5)
A. y = 4 B. x = 4 C. y = -4 D. x = -4
The sizes of two matrices A and B are given. Find the sizes of the product AB and the product BA, whenever these products exist.A is 4 × 3, and B is 4 × 3.
A. 4 × 4; 3 × 3 B. AB does not exist; BA does not exist. C. 4 × 3; 3 × 4 D. 3 × 4; 4 × 3