math
posted by mercedes .
the function f is defined:
f(x)= x+3 if 2<=x<1
9 if x=1
x+2 if x>1
a. find the domain
b. locate the intercepts
I am totally lost, can someone please help me with this?

f(x0 = x+3 for 2 ≤ x < 1
f(x) = 9 , for x = 1
f(x) = x+2 , for x > 1
strange graph.
I see a line segment from (2,1) to (1,4) with a solid dot at (2,1) (include the point) and an open dot at (1,4), exclude the point
The we have the isolated and lonely point (1,9) just sitting there all by itself.
then a ray starting at (1,1) (open dot, point not included)
with an xintercept at (2,0) and dropping down into the fourth quadrant.
domain: x≥ 2
intercepts,
yintercept at (0,3)
xintercept at (2,0)
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