$\"\"$

Find $\"\"$ by adding the two functions and dividing the result by 2. \ \

Two functions are $\"\"$ and $\"\"$ .

$\"\"$

Thus, $\"\"$ . $\"\"$

Since $\"\"$ represents the high temperatures and $\"\"$ the low temperatures for Minneapolis for each month $\"\"$ , the sum of these two functions divided by 2 represents the average of the high and low temperatures for each month. $\"\"$

a. The function $\"\"$ .

b. The sum of the two functions divided by 2 represents the average of the high and low temperatures for each month.