Here's the question you clicked on:
douglas12
Find the domain of f(x)^-1 if f(x)=4x-8 A. x≠ 1/4 B. x≠ -4 C. x≠ 0 D. All real numbers
well 1st you need to find the inverse so swap x and y so you are looking at x = 4y- 8 make y the subject, then you'll be able to consider the domain of the inverse.
whats the inverse function..?