ATamp;T Wi-Fi - 9:26 AM 100% Done 9 of 10 FQ graph of f(X) -30 -25 -20 -15 -10 -5 5 10 15 20 25 Use opscan. Give answer that BEST fits the question....

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AT&T Wi-Fi -9:26 AM100%Done9 of 10FQ graph of f(X)-30-25-20 -15 -10-5510152025Use opscan. Give answer that BEST fits the question. If there is no answer, leave itblank. Assume f' (x) brushes, but does not cross, the x axis at x=161.f (x) concave downA.(-00, -28)2.f' (x) increasingB.(-28, 16), (16, 00)3.f (x) constantC.(-00, -7), (16, 00)4.f' (x) constantD.(-7,16)5.f (x) increasingE.(-28, -7), (16, 00)6.f (x) concave upF.(-7, 4 )7.f (x) local maximumG .X= -288.f (x) decreasingH.x= -28, 169.f (x) increasing and f (x) concave upX= -710.f (x) decreasing and f (x) concave upX= -7, 1611.f (x) increasing and f (x) concave down12. f (x) decreasing and f (x) concave down13.f (x) local minimum14. f' (x) decreasing15.f (x) inflection point