Answer:
<em>She needs to add no fertilizer, option A)</em>
Step-by-step explanation:
<u>Equation of a Line:</u>
According to the conditions of the question, being x the ounces of fertilizer Olivia adds to the soil, and y the number of blooms each rose bush has, the relation between them is
It's bee required to compute the value of x such that the roses have 4 blooms, thus
Solving for x
This means she needs to add no fertilizer, option A)