Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 1; local maximum at x =-1; concave down on (0, ?); concave up on (-?, 0)
B. Local minimum at x = 1; local maximum at x =-1; concave up on (0, ?); concave down on (-?, 0)
C. Local maximum at x = 1; local minimum at x =-1; concave up on (-?, ?)
D. Local maximum at x = 1; local minimum at x =-1; concave up on (0, ?); concave down on (-?, 0)
Answer: B
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A. 0.005 B. 0.0025 C. 0.341 D. 0.1705
Factor completely. If a polynomial is prime, then state this as your answer.16x2 + 24xy + 9y2
A. (16x + y)(x + 9y) B. (4x + 3y)2 C. (4x - 3y)2 D. (4x + 3y)(4x - 3y)
Provide an appropriate response.
A flagpole is erected on a hill that has a 17° incline. The sun casts a shadow uphill of length 16 meters. The angle of inclination to the sun at the end of the shadow is 20°. What is the height of the flagpole?
A. 32.9 m B. 10.1 m C. 10.2 m D. 13.7 m
Reduce the improper fraction.
A. 47
B.
C.
D.