lionel computed the average rate of change in the depth of a pool over a two - week interval to be zero…

lionel computed the average rate of change in the depth of a pool over a two - week interval to be zero. which statement must be true?\nthe pool must have been empty for the entire interval.\nthe pool must have been the same depth at the start of the interval as it was at the end of the interval.\nthe pool must have been deeper at the end of the interval than it was at the start of the interval.\nthe pool must have been more shallow at the end of the interval than it was at the start of the interval.

lionel computed the average rate of change in the depth of a pool over a two - week interval to be zero. which statement must be true?\nthe pool must have been empty for the entire interval.\nthe pool must have been the same depth at the start of the interval as it was at the end of the interval.\nthe pool must have been deeper at the end of the interval than it was at the start of the interval.\nthe pool must have been more shallow at the end of the interval than it was at the start of the interval.

Answer

Brief Explanations:

El coeficiente de variación promedio de una función $y = f(x)$ en el intervalo $[a,b]$ está dado por $\frac{f(b)-f(a)}{b - a}$. Si el coeficiente de variación promedio es cero, entonces $f(b)-f(a)=0$, es decir $f(b)=f(a)$. Aquí, la función representa la profundidad del pozo y el intervalo es de dos semanas. Entonces, la profundidad al principio y al final del intervalo es la misma.

Answer:

The pool must have been the same depth at the start of the interval as it was at the end of the interval.