Please give me the correct answer.​

C

Step-by-step explanation:

The lake because its constantly increasing at 3 F per hour and at the beach its only 0.5 F per hour. The lake's temperature moved from 71 to 83 in 4 hours which is 12 F in 4 hours which means 3 F per hour. Hence, the lake's temperature was moving at a faster rate.

b

step-by-step explanation:

it has the same slope and a different y-intercept

hope this : )