Answer:
A. 49 + 16 (t - 1)
Step-by-step explanation:
Plug in t = 1 to test for the first hour:
[tex]49+16(1-1)=49+16(0)=49[/tex]
Test as many values as you like, but testing t = 5:
[tex]49+16(5-1)=49+16(4)=49+64=113[/tex]
You can see that plugging in just a few values confirms the answer.