
PETE C. answered 03/12/20
SAT MATH
Write a function that represents the ARITHMETIC SEQUENCE.
a(sub n) = a(sub 1) + (n - 1) (difference)
28 = 10 + (N - 1)(2)
28 = 10 + 2N - 2
28 = 8 + 2N
20 = 2N
10 = N
ANSWER: REQUIRES 10 YEARS FOR THE TREE TO BE 28 FT TALL.
Hope this was helpful LANDON.