Use the horizontal line test to determine whether the function is one-to-one.
A. Yes
B. No
Answer: B
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The graph of a function is given. Choose the answer that represents the graph of its derivative.
A. 
B. 
C. 
D. 
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 Functionz = 9x - 18yConstraints0 ? x ? 5 0 ? y ? 8 4x + 5y ? 30 4x + 3y ? 20
A. Maximum: -78.75; at (1.25, 5) B. Maximum: 0; at (0, 0) C. Maximum: 45; at (5, 0) D. Maximum: -108; at (0, 6)
Simplify.
2 + 3 ? 1
÷ 18
A. 1
B. 1
C. 
D. 1
Find the missing coordinate if the ordered pair is to be a solution to the given equation.(?, -2) for the equation 3x - 3y = 7
A. 
B. - 14
C. - 
D. -2