A pool has some initial amount of water in it then it start being filled so the water level rises at the rate of 60 cm per minute after 20 minutes the water level is 220 cm
Answers
Given A pool has some initial amount of water in it then it start being filled so the water level rises at the rate of 6 cm per minute after 20 minutes the water level is 220 cm
To Find :
Graph the pool's water level (in centimeters) as a function of time (in minutes).
Solution:
y = mx + c
m = water level rises rate = 6 cm per minute
x is the time
c is the initial water level
y = water level at time x min
after 20 minutes the water level is 220 cm
=> y = 220 when x = 20
220 = 6(20) + c
=> c = 100
Hence
y = 6x + 100
Graph is attached
time water level
0 100
2 112
4 124
6 136
8 148
10 160
12 172
14 184
16 196
18 208
20 220
22 232
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