Using the variable x, write the interval as an inequality.
A. 2 ? x ? 6
B. 2 ? x < 6
C. 2 < x < 6
D. 2 < x ? 6
Answer: B
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Multiply the polynomials.(x2 + x - 3)(x2 + x - 1)
A. x4 + 2x3 + 4x2 - 2x + 3 B. x4 + 2x3 - 3x2 - 4x + 3 C. x4 + x3 + 5x2 + 4x + 3 D. x4 + x3 - 4x2 - 4x + 3
Write an equation in standard form using only integers for the line described.The line perpendicular to x = 1 and containing (-8, 7)
A. x = 7 B. y = 7 C. y = -8 D. x = -8
An objective function and a system of linear inequalities representing constraints are given. Graph the system of inequalities representing the constraints. Find the value of the objective function at each corner of the graphed region. Use these values to determine the maximum value of the objective function and the values of x and y for which the maximum occurs.Objective Function z = 3x + 5yConstraints x ? 0 y ? 0 2x + y ? 15 x - 3y ? -3
A. Maximum 75; at (0, 15) B. Maximum 38; at (6, 4) C. Maximum 22.5; at (7.5, 0) D. Maximum 33; at (6, 3)
Give the equation of the horizontal asymptote, if any, of the function.h(x) = 
A. y = 
B. y = 2
C. y = 0
D. no horizontal asymptotes