Should be Cubic meters or Cubic decimeters
Mass of the water in pool in Kilograms
Volume of water in pool in Liters
C. The number of times a dessert was offered at a special price.
Answer:

B. 30
Step-by-step explanation:
First, you multiply by 5 from both sides of equation.

Simplify, to find the answer.

, which is our answer.
So F(6) means 6 on the x axis then look to see where the graph is on the Y axis,
in this case on x 6 y=4
If you mean h(4)
h(4)=(4)*2 -5(4)
=8-20
=-12
The answer will be-12