Answer:
Find out the value of f(–4) by using the function f(x) = 2x .
To prove
As given the function in the question as follows
f(x) = 2x
Now find for f(–4) .
Put x = - 4 in the function given above
Thus
f(-4) = 2× -4
Simplify multiply 2 and -4 .
f(-4) = -8
Therefore the value of f(–4) is -8 by using the function f(x) = 2x .
