Question

find the range of the following:
i)y=4^x-2^x+1
ii)y=4^x+2^x+1

Answer 1

i am getting answer for 1st one but not for 2nd one

Answer 2

let's try plugging in a few values for x,just to help us get some ideas
so we'll make a small table:



let's begin by finding those y values
so for example...
if x=-2
we just need to compute that value