Question 836224
f(x)= (6x^2)-4, what is the answer when f(-8x)?
substitute (-8x) for x in (6x^2)-4
{{{f(x) = (6(-8x)^2)-4}}}
now simplify
{{{f(x) =( 6(64x^2) - 4)}}}
{{{f(x) = 384x^2 - 4}}}