Please help answer the following questions:

\fWhen :1: = 8, the rate at which 3/}; is increasing is % times the rate at which a: is increasing. What is the value of 1;? Select one: I a. 3 b 4 c. 6 d. 8 e 12 If f(t)= t2 + t. Between t = 10 and t = 12, what is the increase infdivided by the increase in t? Select one: .. a. 2 b. 25 I c. 46 d. 1/23