Answer:
Pls make the question a bit more clear
7m=t is the correct answer and you can check by plugging 1 into m and you will get 7 for t.
N = 3 ( the next number is 3 plus the previous number
sequence formula = an = 3(n-1) +2
so for term the term that =59
59 = 3(n-1) +2
distribute:
59 = 3n -3+2
59 = 3n -1
60 = 3n
n = 60/3
n = 20
59 is the 20th term
The preferred method is to complete the square. Please see the detailed screenshot attached.
Alternately, you can calculate the value for the vertex as such using this formula for the ordered pair:
. Then, you can plug this point in for
.