I will answer second attachment and after since I can't see the firs attachment
2nd attachment
if x is negative, then the first number gets infinitely small look at the second number, the first 2 is -2 which is wrong since it should be +2 3rd option is not because if x=-2, then y=1 answer is D
3rd attachment 2nd: f(x)=60*1.15^x 3rd: no xint 6th: after 7.86 years value tripples 7th maybe: after 8 years value is 183.51, not exatly 184.00
4th attachment nth score is f(n)=57+4(n-1) 9th is f(9)=57+4(9-1) 57+32=89 answer is C 89
