Answer:
f⁻¹(x) = 2x - 8
f⁻¹(4) = 2 × 4 - 8
f⁻¹(4) = 0
Step-by-step explanation:

Let's test it

So we do indeed have the inverse function, so using that we can plug in the values requested:
f⁻¹(x) = 2x - 8
f⁻¹(4) = 2 × 4 - 8
f⁻¹(4) = 0
<span> commutative property</span>
Answer:
all are linear.
I'm sure all are linear.
Because linear is in the form:
y = mx + c
And all have the same form.
I am so sorry but I can’t see the question because if the glare on it