Evaluate.3x2 + 3x - 1 ; x = -4
A. -25
B. 35
C. 31
D. 25
Answer: B
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Solve the problem.A surveyor measured the length of a piece of land at 100-ft intervals (x), as shown in the table. Use Simpson's Rule to estimate the area of the piece of land in square feet.
A. 26,500 ft2 B. 32,000 ft2 C. 26,000 ft2 D. 27,000 ft2
Determine whether the following statement is true or false.56 is a divisor of 7.
A. True B. False
Provide an appropriate response.The Cobb-Douglas production function for a company is given by 
where P is the monthly production value when k is the number of units of capital and l is the number of units of labor. Suppose that capital costs $150 per unit, labor costs $225 per unit, and the total cost of capital and labor is limited to $270,000. Use Lagrange multipliers to write the system of equations you would use to find the number of units of capital and labor that maximize production.
What will be an ideal response?
Find the x- and y-intercepts of f.f(x) = -x2(x + 3)(x2 + 1)
A. x-intercepts: -3, -1, 0; y-intercept: -3 B. x-intercepts: -3, -1, 0; y-intercept: 3 C. x-intercepts: -3, -1, 0, 1; y-intercept: 0 D. x-intercepts: -3, 0; y-intercept: 0