Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. f(-1, 3) = 33, saddle point
B. f(1, -3) = 1, saddle point
C. f(-1, -3) = -3, local minimum
D. f(1, 3) = 37, local maximum
Answer: C
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Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.16x3 + 48x2 - 25x - 75 > 0
A. (-?, -3] ? 
B. (-?, -3) ? 
C. 
D. 
? 
Solve the problem.An electrician has to choose different types of wire for different applications. The size of the diameter of the wire is inversely related to the gauge of the wire. The chart below shows some different gauges of wire and their approximate diameters. Use the chart to answer the question. 
What is the gauge of the wire with a diameter of 
inch?
A. 16 gauge B. 12 gauge C. 10 gauge D. 14 gauge
Provide an appropriate response.(2x + 3)3 =
A. 8x3 + 36x2 + 54x + 27 B. 2x3 + 18x2 + 54x + 27 C. 8x3 + 18x2 + 54x + 27 D. 8x3 + 3x2 + 3x + 27 E. 8x3 + 12x2 + 18x + 27
Add or subtract as indicated.-307.22 - (-295.85)
A. 11.37 B. -11.37 C. 603.07 D. -603.07