Given the following piecewise function
f(x)= {-x+1 for x < 0
{-1 for 0 ≤ x ≤ 3
{-2x for x > 3
a) Find the domain
b) Find the range
c) Find the intercepts
d) Is f continuous on its domain? If not, state where f is discontinuous.
e) Graph the function