The answer is d not enough information
The pattern is n-3, so we will start from the beginning, from 1.
7, 4, 1, -2, -5, -8, -11, -14, -17, -20, -23, -26, -29, -32, -35, -38, -41, -44.
-44 is the 18th term in the sequence.
Answer:
Not a function because it does not pass the Vertical Line Test.
Assuming that the triangle is isoceles, the answer should be 30.
