A town's population $P$, in people after $t$ years, is recorded as $P(0)=90$, $P(3)=114$, $P(6)=129$ and $P(9)=144$. Find the average rate of change of $P$ over $\left[3,9\right]$, in people per year.

The graph of $h$ passes through $(-2,7)$ and $(1,13)$. Find the slope of the secant line joining those two points.

Find the average rate of change of $f(x)=2x^2-3x-1$ over the interval $\left[-2,3\right]$.

The graph of $p$ passes through $(0,1)$ and $(6,-11)$. Find the slope of the secant line joining those two points.

Find the average rate of change of $r(x)=\frac{1}{x}$ over the interval $\left[1,3\right]$.

For $h(x)=2x^2$, compare the average rate of change over $\left[1,2\right]$ with the average rate of change over $\left[0,3\right]$.

The graph of $q$ passes through $(-3,-2)$ and $(3,-8)$. Find the slope of the secant line joining those two points.

Find the average rate of change of $f(x)=x^2+6x-4$ over the interval $\left[2,5\right]$.

For $h(x)=x^2$, compare the average rate of change over $\left[2,3\right]$ with the average rate of change over $\left[0,5\right]$.

Find the average rate of change of $f(x)=2x^2-6x-1$ over the interval $\left[2,7\right]$.

For $f(x)=2x^2-4x$, the average rate of change over $\left[-1,b\right]$ is $-6$. Find $b$.

For $h(x)=2x^2$, compare the average rate of change over $\left[0,3\right]$ with the average rate of change over $\left[3,6\right]$.

Find the average rate of change of $f(x)=2x^2-4x-4$ over the interval $\left[2,4\right]$.

Find the average rate of change of $f(x)=3x^2-2x+1$ over the interval $\left[2,4\right]$.

For $h(x)=x^2$, compare the average rate of change over $\left[0,3\right]$ with the average rate of change over $\left[2,7\right]$.

Find the average rate of change of $f(x)=x^2-x-1$ over the interval $\left[3,5\right]$.

The snow on a measuring board $S$, in centimeters after $t$ hours, is recorded as $S(0)=120$, $S(3)=102$, $S(6)=93$ and $S(9)=84$. Find the average rate of change of $S$ over $\left[3,9\right]$, in centimeters per hour.

A quantity $T$ measures a cooling engine's temperature in degrees Celsius after $t$ minutes, with $T(3)=140$ and $T(7)=124$. Interpret the average rate of change of $T$ over $\left[3,7\right]$.

For $f(x)=4x^2-2x$, the average rate of change over $\left[-2,b\right]$ is $-10$. Find $b$.

For $h(x)=x^2$, compare the average rate of change over $\left[0,1\right]$ with the average rate of change over $\left[0,4\right]$.

The snow on a measuring board $S$, in centimeters after $t$ hours, is recorded as $S(0)=120$, $S(2)=104$, $S(4)=94$ and $S(6)=84$. Find the average rate of change of $S$ over $\left[2,6\right]$, in centimeters per hour.

A town's population $P$, in people after $t$ years, is recorded as $P(0)=60$, $P(2)=48$, $P(4)=42$ and $P(6)=36$. Find the average rate of change of $P$ over $\left[2,6\right]$, in people per year.

The graph of $q$ passes through $(-5,-2)$ and $(-3,-4)$. Find the slope of the secant line joining those two points.

A quantity $P$ measures a town's population in people after $t$ years, with $P(4)=96$ and $P(12)=152$. Interpret the average rate of change of $P$ over $\left[4,12\right]$.

A quantity $C$ measures the charge left in a battery in percent after $t$ minutes, with $C(3)=68$ and $C(7)=44$. Interpret the average rate of change of $C$ over $\left[3,7\right]$.

Find the average rate of change of $f(x)=3x^2+1$ over the interval $\left[3,7\right]$.

Find the average rate of change of $f(x)=x^2-5x+1$ over the interval $\left[0,2\right]$.

A town's population $P$, in people after $t$ years, is recorded as $P(0)=120$, $P(3)=150$, $P(6)=171$ and $P(9)=192$. Find the average rate of change of $P$ over $\left[3,9\right]$, in people per year.

Find the average rate of change of $f(x)=x^2+5x+1$ over the interval $\left[-1,4\right]$.

For $f(x)=3x^2$, the average rate of change over $\left[1,b\right]$ is $24$. Find $b$.

A cooling engine's temperature $T$, in degrees Celsius after $t$ minutes, is recorded as $T(0)=130$, $T(2)=112$, $T(4)=101$ and $T(6)=92$. Find the average rate of change of $T$ over $\left[2,6\right]$, in degrees Celsius per minute.

For $f(x)=3x^2+2x$, the average rate of change over $\left[-1,b\right]$ is $8$. Find $b$.

The graph of $h$ passes through $(-5,7)$ and $(-1,19)$. Find the slope of the secant line joining those two points.

A warming engine's temperature $T$, in degrees Celsius after $t$ minutes, is recorded as $T(0)=90$, $T(3)=111$, $T(6)=123$ and $T(9)=135$. Find the average rate of change of $T$ over $\left[3,9\right]$, in degrees Celsius per minute.

Find the average rate of change of $g(x)=\sqrt{x}$ over the interval $\left[4,16\right]$.

Find the average rate of change of $r(x)=\frac{4}{x}$ over the interval $\left[1,2\right]$.

For $h(x)=2x^2$, compare the average rate of change over $\left[1,2\right]$ with the average rate of change over $\left[4,8\right]$.

A quantity $V$ measures the water in a draining tank in gallons after $t$ minutes, with $V(2)=96$ and $V(8)=42$. Interpret the average rate of change of $V$ over $\left[2,8\right]$.

The graph of $g$ passes through $(-1,-5)$ and $(2,1)$. Find the slope of the secant line joining those two points.

The graph of $h$ passes through $(-1,-5)$ and $(3,-13)$. Find the slope of the secant line joining those two points.

Find the average rate of change of $f(x)=3x^2+4x-4$ over the interval $\left[-3,0\right]$.

A quantity $S$ measures the snow on a measuring board in centimeters after $t$ hours, with $S(4)=140$ and $S(8)=128$. Interpret the average rate of change of $S$ over $\left[4,8\right]$.

A quantity $T$ measures a warming engine's temperature in degrees Celsius after $t$ minutes, with $T(2)=96$ and $T(6)=116$. Interpret the average rate of change of $T$ over $\left[2,6\right]$.

The snow on a measuring board $S$, in centimeters after $t$ hours, is recorded as $S(0)=120$, $S(2)=102$, $S(4)=90$ and $S(6)=78$. Find the average rate of change of $S$ over $\left[2,6\right]$, in centimeters per hour.

The graph of $q$ passes through $(-2,-5)$ and $(2,-17)$. Find the slope of the secant line joining those two points.

A quantity $T$ measures a cooling engine's temperature in degrees Celsius after $t$ minutes, with $T(3)=150$ and $T(7)=122$. Interpret the average rate of change of $T$ over $\left[3,7\right]$.

Find the average rate of change of $f(x)=2x^2-1$ over the interval $\left[2,4\right]$.

Find the average rate of change of $f(x)=2x^2-3x+3$ over the interval $\left[-3,-1\right]$.

For $h(x)=2x^2$, compare the average rate of change over $\left[1,5\right]$ with the average rate of change over $\left[4,8\right]$.

For $h(x)=x^2$, compare the average rate of change over $\left[0,3\right]$ with the average rate of change over $\left[4,8\right]$.