Question 18 [1 point] J Saved The derivative of the function f(x} = \"if" OB} {:*3+2*) + [2'3+2')(319+2) b} _ 3+2 2.9+); x2+ O (a; }+ { )(3 2} (9 e] None of the above Question 19 (1 point] J Saved d1e f(x} = 51* new) The derivative f the m nation )2 = f(x} with O 3152' sec (1') tantra\") (x3) + sec (x4) 5211145) (2.] O b} 52' sec () tan(x4}(4x3) + sec(x4)51' 1n(5) (2] O C} 52' sec (14) tan(x\"} (4x3) 1 sec [14) 5" 1n(5) (2] 0 13521 sec (13) tan[x3 ) (4x3) + sec (14] 52" ln(5] [2) G) e] None of '1e above