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
5th
f(t)=23000(1.02)^t
t=time in years from 23000
A,10 cm if you like this answer explained to you let me know
Step-by-step explanation:
If you were to give them all the same denominator which is 32 that would be the greatest common denominator Then you would multiply the numerator by however many times it took you to get to the denominator and then you would put them in order from least to greatest while they all have the same denominator different numerators same denominator and then you would put him in order in the original way answer
999 I think... let me know if that is correct:)
Answer:
1
Step-by-step explanation:
-2 1/2 - (-3 1/2) = 1