Step-by-step explanation:
<u>Step 1: Answer the first question</u>
f(3) means the temperature after 3 seconds
<u>Step 2: Answer the second question</u>
The value of
→ 25.9 degrees
The value of f(3) which is 25.9 means that after 3 seconds, the temperature is 25.9 degrees.
<u>Step 3: Answer the third question</u>
f(t) = 35 means that after a t amount of seconds, the temperature is 35 degrees.
<u>Step 4: Answer the fourth question</u>
so... 




10 seconds