Y= 1/2x +4
hopes this helps!
Step-by-step explanation:
Since
varies directly as
we can write the relation as

where k is the constant of proportionality.
a) To solve for the k, we substitute the given values:


b) The equation relation x and y can be written as

c) When y = 9,

Answer:
14 cm^2
Step-by-step explanation:
You find the area of both triangles, and subtract by 4
6x3x1/2x2 - 2x2
18 - 4
14