Posted by rana on Wednesday, June 18, 2014 at 9:08am.
Please I need help on. Function y=4x +5 with the domain x≤0. And what is the range of the function?

Algebra 1  Steve, Wednesday, June 18, 2014 at 11:34am
the slope of the line is positive, so maximum y will occur where the maximum x occurs. So, y <= 5
Since lines extend to infinity, the range is thus (∞,5]
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