I wish i knew but i need points sorry
Answer:
2,058
Step-by-step explanation:
first term : a_1 = 6
common ratio r = 7
a_n = (a_1) * r ^(n-1)
a_4 = 6 * 7^(4-1)
a_4 = 6 *7^3
a_4 = 6 * 343 = 2,058
first of all the miniutes is not a linar function cause the first miniutes is 45 the 12 minuets later 57 but 11 minuets later 68 minuets so the minuets is not linear
what i did to find the credit was that i took 24.15-1.59 wich gave me 22.59 then i did 22.59-1.59 which gave me 21.03 if that is not correct