Practice problem
Use the derivative test to find the local maximum points of the function f(x)=2x2x2+4f(x)=\frac{2x^2}{x^2+4}f(x)=x2+42x2
(1,1)
(0,0)(0,0)(0,0)
(-1,1)
None\text{None}None
Type a concept, like “slope” or “photosynthesis”.
