Hiro painted his room at a rate of 8 square meters per hour. After 3 hours of painting, he had 28 square meters left to paint. L
et A(t) denote the area to paint A (measured in square meters) as a function of time t (measured in hours). What is the Functions formula? A(t)=?
2 answers:
Answer:

Step-by-step explanation:
Let
A(t)------> the area to paint
t------> the time in hours
Step 1
Find the total area of the room

Step 2
Find the linear equation that represent the situation

8*3 = 24 + 28 = 52 total square feet
he is painting at 8 sq m per hour
so A(t) = -8t +52
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