use the formula $\frac{f(b)-f(a)}{b - a}$ to calculate the average rate of change over the interval $-2,-1$…

use the formula $\frac{f(b)-f(a)}{b - a}$ to calculate the average rate of change over the interval $-2,-1$ given the function table for $y = 3^{x + 2}$. express your answer as an integer.\n$x$ $f(x)$\n$-3$ $\frac{1}{3}$\n$-2$ $1$\n$-1$ $3$\n$0$ $9$\n(1 point)

use the formula $\frac{f(b)-f(a)}{b - a}$ to calculate the average rate of change over the interval $-2,-1$ given the function table for $y = 3^{x + 2}$. express your answer as an integer.\n$x$ $f(x)$\n$-3$ $\frac{1}{3}$\n$-2$ $1$\n$-1$ $3$\n$0$ $9$\n(1 point)

Answer

Answer:

2

Explanation:

Step1: Identificar los valores de a y b

a = -2, b = -1

Step2: Encontrar f(a) y f(b)

f(a)=f(-2) = 1, f(b)=f(-1) = 3

Step3: Aplicar la fórmula

Usamos la fórmula $\frac{f(b)-f(a)}{b - a}$, entonces $\frac{3 - 1}{-1-(-2)}=\frac{2}{-1 + 2}=\frac{2}{1}=2$