Answer: The domain for the piece of the function represented by f(x)=x+1 is
x>1 (fourth option )
Solution:
The function represented by f(x)=x+1 is the right line that passes through the points:
x=2→f(x)=f(2)=2+1→f(2)=3→Point=(2,f(2))→Point=(2,3)
x=3→f(x)=f(3)=3+1→f(3)=4→Point=(3,f(3))→Point=(3,4)
According with the graph, this right line is on the right side, and this line starts at x>1, then the domain is x>1
