# SOLUTION: Write the equation of the cubic function f(x), if f(-2)=0, f(1)=0, f(3)=0 and f(6)=8 Please help. This is pre calc.

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 Click here to see ALL problems on Evaluation Word Problems Question 427622: Write the equation of the cubic function f(x), if f(-2)=0, f(1)=0, f(3)=0 and f(6)=8 Please help. This is pre calc.Answer by Alan3354(31538)   (Show Source): You can put this solution on YOUR website!Write the equation of the cubic function f(x), if f(-2)=0, f(1)=0, f(3)=0 and f(6)=8 ------------- If the zeroes are a, b & c, then it's (x-a)*(x-b)*(x-c) --> f(x) = (x+2)*(x-1)*(x-3) f(6) = 120 tho, not 8 120/8 = 15 --> (1/15)*(x+2)*(x-1)*(x-3) Just multiply that