12. A) Over what interval(s) is fCx) 2 0, based on the graph shown? (visual esti

Question

12. A) Over what interval(s) is fCx) 2 0, based on the graph shown? (visual estimate is ok) B) Estimate x-valuels) for which C)2 )near its vertical asymptote. asymptote ion f(x) =-approaches extreme values ( + infinity and also-infinity) Using your knowledge about what happens near its vertical asymptote, on which side of the vertical will the function eventually reach the value 1,987? a) For some value x, where x> 2? b) For some value x, where xc2? JUSTIFY!!! (p.s. You may wish to make a quick sketchl You do not need to compute any x-value.) 14, which of the following ?uldbe the function whose graph is shown here a) fox)- 2x3 15x224x-5 b) f(x)-2x -15x2 +24x-5 c) f(x)-2x-15x2 +24x +5 d) fx)-2x3-15x2+24x +5 e)f(x) = 2x2-15x+5 YOU MUST JUSTIFY HERE: 20 20

Explanation / Answer

12

a)

f(x) > 0 when y value is more than zero

(-4, 3)

b)

when f(x) = 2

x value will be x = 1 and x = 3.2

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