Find the domain and range of the function.f(x) = -3 + 
A. D: (-?,0], R: (-?,-3]
B. D: [0,?), R: (-?, ?)
C. D: [0,?), R: [-3,?)
D. D: (-?, ?), R: [-3,?)
Answer: C
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Find all points where the function is discontinuous.
A. x = 3 B. None C. x = 0 D. x = 0, x = 3
Evaluate the expression for x = -2, y = 3, and a = -4.
A. 
B. 
C. 0
D. 2
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 = 6x + 7yConstraints x ? 0 y ? 0 2x + 3y ? 12 2x + y ? 8
A. Maximum 32; at (2, 3) B. Maximum 52; at (4, 4) C. Maximum 24; at (4, 0) D. Maximum 32; at (3, 2)
Determine the amplitude or period as requested.Period of y = - 
sin x
A. ?
B. 
C. 2?
D. - 