A person borrows rs 80000 at 12% per anum .the principal and interest are to be paid in 11 monthly installments doubling each installment from its previous one calculate first and last payment

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.