Solution
Solution
+1
Solution steps
Rewrite as
Multiply both sides by
The range is the set of y for which the discriminant is greater or equal to zero
Discriminant
Check if the range interval endpoints are included
Included
Included
Therefore the range is
Popular Examples
domain of f(x)=2sqrt(x^2)critical f(x)=xln(5x)extreme f(x)=3x^4+12x^3asymptotes of (5e^x)/(e^x-9)domain of f(x)=((x-2))/((x+3))
Frequently Asked Questions (FAQ)
What is the range of f(x)=(x+4)/(x^2-9) ?
The range of f(x)=(x+4)/(x^2-9) is f(x)<=-(sqrt(7))/(18)-2/9 \lor f(x)>= (sqrt(7))/(18)-2/9