# Pre calculus

posted by
**Amy**
.

use f(x)= { x^2 +5 if x ≤ 1

{ -x^2+4x+3 if x>1

to find the answers to the following:

1. f(2)

2. f(4)-f(-2)

posted by
**Amy**
.

use f(x)= { x^2 +5 if x ≤ 1

{ -x^2+4x+3 if x>1

to find the answers to the following:

1. f(2)

2. f(4)-f(-2)