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Find the x-intercepts and the y-intercept of the graph of f(x) = (x − 3)(x − 2)(x − 1) without using technology. Show all work.



Answer :

f(x)=(x-3)(x-2)(x-1)
x intercept:
(x-3)(x-2)(x-1)=0
x-3=0
x=3

x-2=0
x=2

x-1=0
x=1

y intercept
x=0
y=(x-3)(x-2)(x-1)
y=(0-3)(0-2)(0-1)
y=-3-2-1
y=-6

y intercept =-6

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