How would you graph $f (x)$ $f(x)$ if $f(x)={ (x^2-1, x < -2), (4, -2 <= x <= 1), (3x+1, 1 < x <= 3), (x^2-1, x > 1) :}$ ? How would you evaluate the function at the indicated points: $f(-3)$ , $f(-2)$ , $f(5)$ , $f(3)$ ?

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Answer 1 · 2017-06-03T03:49:59

I may be wrong but the last domain should be $x>3$ ...I think

I got this:

enter image source here

with:
$f(-3)=(-3)^2-1=8$
$f(-2)=4$
$f(5)=(5)^2-1=24$
$f(3)=3*3+1=10$

or:

enter image source here