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

A) f (x) = (x-3) (x-1) (x+1)

B) f (x) = (x-3) (x-1) ^2

C) f (x) = (x-1) (x+1) (x+3)

D) f (x) = (x+1) ^2 (x+3)

Question

Liana Kerr

19 March, 16:25

+4

Answers (1)

Know the Answer?

Krish · Answer 1

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

On the xy-plane, the graph of function f has x-intercepts at - 3, - 1, and 1. which of the following could define f?A) f (x) = (x-3) (x-1) (x+1)B) f (x) = (x-3) (x-1) ^2C) f (x) = (x-1) (x+1) (x+3)D) f (x) = (x+1) ^2 (x+3)