Evaluate the trigonometric function for the given value of t.cos t, t = 
A. - 
B. - 
C. 
D. 
Answer: A
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Solve the problem.Find the point on the plane 
that is nearest the origin.
A. (4, 4, 0) B. (2, 4, 0) C. (-2, 8, 2) D. (2, 4, -2)
Subtract and simplify.
- 
A. 
B. 
C. 
D. 
Determine the integral by making an appropriate substitution.
Enter your answer with any coefficients in front as integers or reduced fractions of form 
. No parentheses around arguments of functions.
What will be an ideal response?
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 + 9yConstraintsx ? 0 0 ? y ? 5 2x + 3y ? 12 2x + 3y ? 20
A. Maximum: 59; at (2, 5) B. Maximum: 70; at (10, 0) C. Maximum: -28; at (4, 0) D. Maximum: 42; at (6, 0)