Simplify the expression.
? 
A. 
B. y - 4
C. 
D. 
Answer: A
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Use a calculator to evaluate the expression. (Round your answer to three decimal places.)
A. 9.2 × 10-4 B. 1.356 × 10 -3 C. 1.84 × 10-3 D. 1.356 × 100 E. 9.2 × 100?
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 = 7x + 3yConstraintsx ? 0 0 ? y ? 2 x - y ? 3 x + 2y ? 6
A. Maximum: 20; at (2, 2) B. Maximum: 31; at (4, 1) C. Maximum: 6; at (0, 2) D. Maximum: 21; at (3, 0)
Graph the pair of parametric equations with the aid of a graphing calculator.x = 3 cos t + cos 3t, y = 3 sin t - sin 3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Use logarithmic differentiation to find the derivative of y.y = 
A. 
(2x + 4)
B. 
C. 
D. 