Asked by Ray

Evaluate the function

f(x)={9x+5, x<0
{9x+6, x>(or equal to)0

Determine its domain and range using interval notation?

I believe the domain is (-infinity,infinity) but how would I find the range?
Answered by Damon
also -oo to +oo
Answered by Steve
the interval (5,6] is excluded from the range, because of the jump at x=0.
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