5. A graph representing a piece of a rollercoaster is shown below. a) Write the equation of the function in factored form. (4.16, 21.3) (17.54. 2.13) 10 12 14 16 18 20 10 (11.8,-15.2) x time (seconds) h(x)=height of rollercoaster above ground (feet)

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Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.