A cup of coffee cools according to the function T=70(0.80)x+20

, where x is the time in minutes and T is the temperature in Celsius.
What is the temperature after 10 minutes?

(1 point)
Responses

7.5
7.5

20
20

27.5
27.5

76 degree .

2 answers

27.5

1. 4
2. x=2
3. 0.301
4. 27.5