Question 15 If f (t) = 12 + t, Between t = 10 and t = 12, what is the increase in f Not yet answered divided by the increase in t? Marked out of 1.00 Flag question Select one: O a. 2 O b. 25 O c. 46 O d. 1/23 O e. 23Question 3 Find f'(x ) for f (x) = (Inx) Not yet answered Marked out of 1.00 Flag question Select one: Oa. f'(x) = Inr+in(inx) Ob. f'(x) = (Inx)?(In(Inx)) Oc. f'(x) = x(Ina):-1 O d. f'(x) = (Inx) (In(Inx) + ma