Practice problem
What is the axis of symmetry of the function f(x)=−3x2−12x−8f(x)=-3x^2-12x-8f(x)=−3x2−12x−8?
x=−2x=-2x=−2
x=−0x=-0x=−0
x=2x=2x=2
x=4x=4x=4
Type a concept, like “slope” or “photosynthesis”.
