Question

ANSWER QUICK PLSSS

A diver is 15 feet below the surface of the water 10 seconds after he entered the water and 90
feet below the surface after 40 seconds. What is the rate of change? *
(1 Point)
1.5 feet per second
4.5 feet per second
3.5 feet per second
2.5 feet per second

Answer 1

2.5 feet per second.

Step-by-Explanation:

So we have

(10,15) (40,90)

Plug them in the slope-formula

y2-y1/x2-x1

90-15/40-10

75/30

2.5 feet per sec.