Please answer the questions below ASAP

Question 19 The derivative of the function y = f(x) with f (x) = 6:* tan (x2) is O al 63x sec2 (x?) (x) + tan (x2) 63* In(6) (3) Ob) 63* sec? (x?) (2x) + tan (x2) 62* In(6) (3) O c) 63x sec? (x2 ) (2x) + tan (x2) 63* In(6) (3) O d) 63x sec (x2) (2x) + tan (x2) 63x In(6) (3) e) None of the aboveQuestion 20 If the radius / of a spreading circular rash is increasing at a rate of 0.2 cm/day, then the area of the rash increases at a rate of ......... cm /day when the radius of the rash is 6 cm. Note: ris a function of t (time) ( a) 2.4n ( b) 3n O c) 3.6n O d) 4.8n O e) None of the above