Question

Slove this one ............

Answer 1

a sub n = a sub 1 + (n - 1)(d)
n = term
a sub 1 = first term in the sequence
d = common difference
a sub 17 = -7 + (17 - 1)(3)
a sub 17 = -7 + (16*3)
a sub 17 = -7 + 48
a sub 17 = 41