f(x)=x^2
f'(x)=(x^2)'=2x
f'(0)=2 * 0=0
f'(1)=2 * 1=2
f'(-1)=2 * (-1)=-2
f'(2)=2 * 2=4
f'(-2)=2 * (-2)=-4
f'(3)=2 *3 =6
f'(-3)=2 *(-3)=-6
f(x)=x^2
f'(x)=(x^2)'=2x
f'(0)=2 * 0=0
f'(1)=2 * 1=2
f'(-1)=2 * (-1)=-2
f'(2)=2 * 2=4
f'(-2)=2 * (-2)=-4
f'(3)=2 *3 =6
f'(-3)=2 *(-3)=-6