f(x)= 1/x-2
Plug in 1 for x.
I keep getting -1 but the book says the answer is 3. Please help. Thanks
If f(x) = 1/x - 2 , the way you typed it, then
f(1) = 1/1 - 2 = 1-2 = -1
if f(x) = 1/(x-2), then
f(1) = 1/(1-2) = 1/-1 = -1
either way, your book is wrong.