So 12 = 2 + 20t -5t^2
5t^2 -20t + 10=0
t^2 -4t + 2 = 0
Use quadratic formula to solve
Answer:
can you translate it to English ?
Step-by-step explanation:
The answer to your question is 2
ANSWER

EXPLANATION
The given function is

This function is defined for values where the denominator is not equal to zero.


The domain is

Or
