Help Please

Question

For the function defined by:

f(x)=

(x^2,x≤1)
(2x+1,x>1)

Define f(0).

and also how would i graph f(x)?

Answer 1

Surely you can graph both those simple functions.

Just switch from one to the other at x=1.

since 0 < 1, f(0) x^2 = 0.