f(x)=x^{2}+10\nwhat is the average rate of change of f over the interval -2, -1?

f(x)=x^{2}+10\nwhat is the average rate of change of f over the interval -2, -1?

f(x)=x^{2}+10\nwhat is the average rate of change of f over the interval -2, -1?

Answer

Answer:

-3

Explanation:

Step1: Encontrar f(-2)

$f(-2)=(-2)^2 + 10=4 + 10 = 14$

Step2: Encontrar f(-1)

$f(-1)=(-1)^2+10=1 + 10 = 11$

Step3: Aplicar fórmula de tasa promedio de cambio

La tasa promedio de cambio de una función $y = f(x)$ en el intervalo $[a,b]$ es $\frac{f(b)-f(a)}{b - a}$. Aquí, $a=-2$, $b = - 1$. Entonces $\frac{f(-1)-f(-2)}{-1-(-2)}=\frac{11 - 14}{-1 + 2}=\frac{-3}{1}=-3$