Please help will give brainliest please hurry Write the explicit formula given the recursive formula.
A(n)=A(n-1)+3; A(1)=6
Select one:
a. A(n) = 3 + (n-1)(6)
b. A(n) = 6 + (n-1)(3)
c. A(n) = 18 + (n-1)
d. A(n) = 9 + (n-1)