math/calculus
posted by Roger .
The function f is defined as follows:
f(x)={x+6 if 5 less than or equal to x<1
f(x)={9 if x=1
f(x)={x+5 if x>1
a. find the domain
b. locate any intercepts, if any

domain: 5 <= x
intercepts: (6,0),(5,0),(0,6)