Solve the problem.
-Suppose that the change in pressure of the oil in a reservoir can be approximated by:
$$P(x)=x^{3}-18 x^{2}+81 x$$
Where $x$ is time in years from the date of the first reading. This function is valid for $0 \leq x

Question

Solve the problem.
-Suppose that the change in pressure of the oil in a reservoir can be approximated by:
$$P(x)=x^{3}-18 x^{2}+81 x$$
Where $x$ is time in years from the date of the first reading. This function is valid for $0 \leq x<9$. By sketching a graph of $\mathrm{P}(\mathrm{x})$, estimate during what time period the change in pressure is decreasing.
A) In years 5 to 9
B) In years 3 to 9
C) In years 0 to 9
D) In years 0 to 3

Quizplus · Accepted Answer

The Answer of Solve the problem.
-Suppose that the change in pressure of the oil in a reservoir can be approximated by:
$$P(x)=x^{3}-18 x^{2}+81 x$$
Where $x$ is time in years from the date of the first reading. This function is valid for $0 \leq x<9$. By sketching a graph of $\mathrm{P}(\mathrm{x})$, estimate during what time period the change in pressure is decreasing.
A) In years 5 to 9
B) In years 3 to 9
C) In years 0 to 9
D) In years 0 to 3

Solve the Problem P(x)=x3−18x2+81xP(x)=x^{3}-18 x^{2}+81 xP(x)=x3−18x2+81x Where xxx Is Time in Years from the Date of the First

Solve the Problem $P(x)=x^{3}-18 x^{2}+81 x$ Where $x$ Is Time in Years from the Date of the First