Question

If the first term of a sequence is four and the common difference is -9. Find a40.

(Write your answer as a value without spaces ex. 678, -973, etc.)​

Answer 1

Answer:

an = a1 + d(n - 1)

Step-by-step explanation:

an = 4 + -9(40 -1)

an = 4 + -9(39)