Practice problem
Find the domain of f(x)=x+4x−4f(x)=\dfrac{\sqrt{x+4}}{x-4}f(x)=x−4x+4.
all reals
all reals x≠4x\ne 4x=4
all reals xxx less than −4-4−4 or greater than 444
all reals x≥−4x\ge -4x≥−4 except for 444
Type a concept, like “slope” or “photosynthesis”.
