tolong yg bisa kerjakan!!!

a. lim x-> 1 (3x - 1)/(x+2)
= (3(1) - 1)/(1 + 2)
= 2/3

b. lim x-> 0 (x^2 + 1)/(3x^2 + 1)
= (0+1)/(0+1)
= 1

c. maap yg c soalnya g kliatan