Question

what is the range of the function f(x)=2^x-7 +2
1.All real numbers
2. y>0
3.y>2
4.y<2

Answer 1

Thank you,that is what I thought.

Answer 2

oppss, sorry i means :
2^(x-7) always be positive values for x is which real, therefore the range for f(x) is (positive number + 2), in other words y > 2