• Tweet This • Bookmark on Delicious • Share on FacebookPrecalculus We find the domain and range of the function f(x) = 1/(x^22x8) Two approaches are used the first uses the graph of the parabola y=x^2x8, Misc 5 Find the domain and the range of the real function f defined by f (x) = x – 1 Here we are given a real function Hence, both domain and range should be real numbers Here, x can be any real number Here, f (x) will always be positive or zero Here value of domain (x) can be any real number Hence, Domain = R (All real numbers) We note that that range f (x) is 0 or positive numbers, So range cannot be negative Hence, Range
Example 15 F X 1 X What Is The Domain And Range Examples