To find the rate of change, also known as the slope, we can use the slope formula with these two given points.
Point 1: (20, 25)
Point 2: (50, 40)
(40 - 25) / (50 - 20)
15 / 30
0.5
The rate of change of this function is $0.50 / lb.
Hope this helps!! :)
Answer
The width on the map would be 1.5 inches.
Explanation
10 feet = 1 inch
15 feet is 1.5x as much as 10. Therefor you multiply 1 in. x 1.5
The answer is A. bc of the point
