If we factorize the expression

We will get

Hope I helped!
Answer:
See image below:)
Step-by-step explanation:
Answer:
365°, (65 +20t)°
Step-by-step explanation:
Temperature of oven
= initial temperature + 20°(number of minutes passed after it was turned on)
Temperature of oven after 15 minutes
= 65 +20(15)
= 65 +300
= 365°
Temperature after t minutes
= (65 +20t)°
Answer: Phase Shift, Period Change
Step-by-step explanation:
I rather not..............