Determine the local extrema of the function.f(x, y) = x2 + xy + y2 - 3x + 2
A. f(-2, 1) = 11, maximum
B. f(2, -1) = -1, maximum
C. f(-2, 1) = 11, minimum
D. f(2, -1) = -1, minimum
Answer: D
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Simplify the expression using the order of operations.
A. -11 B. 11 C. 4 D. -4
Sketch the graph on the coordinate system provided.y = -sin 8x
A. 
B. 
C. 
D. 
Solve.A quarterback throws a pass that travels 38 yards with the wind in 2.5 seconds. If he had thrown the same pass against the wind, the football would have traveled 17 yards in 1.5 seconds. Find the speed of the pass that the quarterback would throw if there were no wind. If necessary, round to the nearest tenth.
A. 1.9 yd/sec B. 13.3 yd/sec C. 26.5 yd/sec D. 6.6 yd/sec
Decide whether the statement makes sense. Explain your reasoning.To convert from Kelvin to Celsius, you subtract 273.15. For example, -100 K = -373.15 °C.
What will be an ideal response?