Question

Math please help ! <<

Answer 1

d = - 6

a = - 20

T(n) = a + (n - 1)d

= -20 + (n - 1 )(-6)

= -20 - 6n + 6

= -14 - 6n

= -2(7 + 3n)

-20 -6(n-1) answer