Question

Plot the function

y = (x + 1)(x – 3)
x-intercepts of the function are:

A) -1
B) 3
C) -4
D) 2

Answer 1

The correct answer choices are A) -1 and B) 3.

To find the x-intercepts of the function
`\(y = (x + 1)(x - 3)\)`, set y equal to zero and solve for x:

`\[ (x + 1)(x - 3) = 0 \]`

This equation is satisfied when either
`\(x + 1 = 0\)` or
`\(x - 3 = 0\)`:

1.
`\(x + 1 = 0\)` implies
`\(x = -1\)`.

2.
`\(x - 3 = 0\)` implies
`\(x = 3\)`.

So, the x-intercepts of the function are
`\(x = -1\)` and
`\(x = 3\)`.

The correct answer choices are A) -1 and B) 3.

The graph is attached below.