Question

Write the 4th term of the sequence defined by the explicit rule, f(n) = 3n^2 + 7. (n^2 means n squared)

Answer 1

55

Explanation:

I'm assuming n is the term #..

`f(4) = 3(4)^2+7`

f(4) = 3 * 16 + 7

f(4) = 48 + 7

f(4) = 55