Solve the problem.Find all points of the graph of y = 5x2 + 5x whose tangent lines are parallel to the line y - 55x = 0.
A. (7, 280)
B. (5, 150)
C. (0, 0)
D. (6, 210)
Answer: B
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Find the absolute maxima and minima of the function on the given domain.
on the trapezoidal region with vertices 
and 
A. Absolute maximum: 13 at 
absolute minimum: 6 at 
B. Absolute maximum: 13 at 
absolute minimum: 0 at 
C. Absolute maximum: 14 at 
absolute minimum: 0 at 
D. Absolute maximum: 12 at 
absolute minimum: 6 at 
Sketch the graph of the exponential function. Label the y-intercept.f(x) = 2x
A. 
B. 
C. 
D. 
Verify that the matrix is invertible and find its inverse.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
D. A-1 = 
The figure shows the graphs of the cost and revenue functions for a company that manufactures and sells binoculars. Use the information in the figure to answer the question.
How many binoculars must be produced and sold for the company to break even?
A. 2700 binoculars B. 1500 binoculars C. 2250 binoculars D. 750 binoculars