Answer:
y = 5x + 10
y = 0.75x + 4
Step-by-step explanation:
Answer:
We will split the trapezoid into right angle triangle and rectangle
Traingle with base 3cm and height 10 - 6 = 4cm
Area of traingle
= 
Area of rectangle with sides 6cm and 3cm
=
Therefore, area of the trapezoid
=
Area of the semi circle with radius 3/2 = 1.5cm
= 

The line is solid and under the line is shaded
so the answer is A