If given f(x) = _4x _ 2 and g(x) = 2x, what is (f ‡ g)(x)?

a.
(f ‡ g)(x) = _6x _ 4
b.
(f ‡ g)(x) = _8x2 _ 4x
c.
(f ‡ g)(x) = _6x _ 2
d.
(f ‡ g)(x) = _16x2 _ 4x

I hope this helps you

f (x).g (x)=(-4x-2).2x

f (x).g (x)=-4x.2x-2.2x

f (x).g (x)= -8x^2-4x

There are two equations given in the question and these two equations have to be multiplied. 
f(x) = _4x _ 2
And
g(x) = 2x
Then
f (x).g (x) = (-4x-2).2x
f (x).g (x) = -4x.2x - 2.2x
f (x).g (x) = -8x^2 - 4x

From the above deduction, it can be easily concluded that the correct option among all the options that are given in the question is the second option or option "B".

She should use 12/3 to measure