word problem? using (f o g)(x)

Question

anonymous · Answer

marisol wants to start saving money for college. she sees the advertisement below in her local newspaper for x dollars in this savings account. B(x)= x+50 is the value of the account after the one year bonus. (B o f)(x) models the value of this account after one year of investment time and the oneyear bonus. marisol opens a savings account depositing $120. what is the value of the account after one year?

anonymous · Answer

Advertisement states:
"Start a savings account today and earn 4.7% annual interest!
Bonus offer: After one year an additional $50 will be added to your account!"

jdoe0001 · Answer

do you know what (fog)(x) mean?

anonymous · Answer

Oh yeah I figured out the problem. it's $175.64