3 years ago

On the xy-plane, the graph of function f has x-intercepts at -3, -1, and 1. which of the following could define f?

Mathematics

1 answer:

vekshin13 years ago

7 0

X intercept is when y=0
or f(x) = 0
set the f(x)'s to 0
your answer is C
x-1=0 x+1=0 x+3=0
so x= -3, -1, and 1

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