A function f (x)=-8x^2. What is f (-3)?
f(x)= -8x²f(-3)= -8 (-3)²f(-3)= -8 9f(-3)= -72
f(x) = -8x² To find the value of f(-3), put -3 in place of 'x' in the definition of the function.f(-3) = -8(-3)²f(-3) = -8(9) = -72