Practice problem
Which of these functions are symmetrical over the xxx-axis?
f(x)=x2f(x)=x^2f(x)=x2
f(x)=1xf(x)=\frac1xf(x)=x1
f(x)=xf(x)=\sqrt{x}f(x)=x
None of the above
Type a concept, like “slope” or “photosynthesis”.
