Function 3

Function f(x)=a(x-r)(x-s) the graph of the function has x- intercept at (-4, 0) and (2, 0) and passes through the point (-2,-8). Find constant a, r, s.

Correct answer:

a =  1
r =  -4
s =  2

Step-by-step explanation:

s=2  f(x)=(x+4)(x−2)

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