Answer:
f(x)=−5x−20
Step-by-step explanation:
It's decreasing 5 degrees every hour, which is represented by -5x
You also have to take away the 20 (-20) from where it started.
So, f(x)=−5x−20
さたはたはたはたはたはたはたはたはたはたしたはあらさたはたはてはありはあはあはあらありあは
Answer: 10 units
Step-by-step explanation: