G(k) = 67
f(5) = (5)^2 - 18 = 25 - 18 = 7.
g(k) = g(7)
g(7) = (7)^2 + 18 = 49 + 18 = 67.
hope this helps
Answer:

Explanation:
Let
x -----> the number of miles
we know that
The total miles multiplied by $4 per mile plus the flat fee of $3 must be less than or equal to a
so
The inequality that represent this situation is

Solve for x
Subtract 3 both sides

Divide by 4 both sides

The answer is: directional research hypothesis
directional research hypothesis is a form of prediction that initiated in order to guess whether two variables would experience some sort of positive or negative changes. In the example above, boys and girls are the variables and whether they agree or disagree with school rules are the changes.