C. 3+6x because your contributing the equation
The amount of money in the account after t years is given by the function

We want to evaluate how much money would be in your account after the third year, to do it we must put t = 3 in our function, then

And we can approximate to
Answer:
B 8.42 seconds
Step-by-step explanation:
421 in 50 seconds
421//50
8.42 seconds
Hope this helps!
Uhmmmm not sure hope you get help tho