Answer:
False
Step-by-step explanation:

The profit function is P(x) = 110x - 3300 if the revenue function for a certain product is given by R(x) =450x, while the cost function for this product is given by C(x) = 340x + 3300.
<h3>What is a function?</h3>
It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.
We have,
The revenue function:
R(x) = 450x
Cost function:
C(x) = 340x + 3300
We know, the profit function is given by:
P(x) = R(x) - C(x)
P(x) = 450x - (340x + 3300)
P(x) = 110x - 3300
Thus, the profit function is P(x) = 110x - 3300 if the revenue function for a certain product is given by R(x) =450x, while the cost function for this product is given by C(x) = 340x + 3300.
Learn more about the function here:
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Answer:

Step-by-step explanation:
Divide both sides by 4x
It is proportional because all the points if put in fraction form equals 1/5. For 1 plant, he has 5 roses, and for 2 plants, he has 10 roses. 2/10=1/5. 3/15=1/5. 4/20=1/5. They all have the proportions of 1 plant per every 5 roses