helloo, i need help in these calculus questions asap pleaseee no need for the steps only the answer

Question 11 f(x)=6x2 - 4x + function f? +x+1. Which of the following statements is true for the polynomial Not yet answered Marked out of 5.00 a. The degree is 5 and leading coeffcient is 4 b. The degree is 5 and leading coeffcient is 6 Flag question c. None d. The degree is 2 and leading coeffcient is 6 e. The degree is 5 and leading coeffcient is -4 If f(x) = -2x +4x2+5x+1 and g(x) = -2x2+3x4+x=1, then the degree of the f(x)+ g(x) is: Question 12 Not yet answered Marked out of 5.00 a 2 b4 Flag question c. 7 d. None e 3 Question 13 Not yet A ball has been dropped from the top of a building. Its height (in feet) after t seconds is given by the function (0) = -16+256. When will the ball hit the ground? answered Marked out of 5.00 a. After 4 seconds b. After 6 seconds cAfter 5 seconds P Flag question d None After 10 seconds Question 14 Not yet answered Marked out of 5.00 To study the rate at which animals learn, Becky performed an experiment in which a rat was sent repeatedly through a laboratory maze. Suppose that the time required for the rat to traverse 12 the maze on the nth trial was approximately T(n)=4+ minutes. How long did it take the rat to traverse the maze on the 3rd trial? n Flag question a 8 b. 12 C6 . d. 14 e None Question 15 What is the domain of f(x)=-3x+9? Not yet answered a x213 Marked out of 5.00 b. XS3 Flag question OXS-3 d. None e x 3 Question 16 2x+4 The domain of f(x) = x-x-2 is: Not yet answered Marked out of 5.00 a. All real numbers greater than or equal to -4 except -1 and 2 b. All real numbers except -1 and 2 Flag question c. None d. All real numbers greater than or equal to -2 except -1 and 2 e. All real numbers greater than to-2 except -1 and 2 Question 17 Not yet answered Marked out of 5.00 Let f and g are two polynomial funcions of different degrees. If degree of f is greater than degree of g, then degree of f+g is greater than the degree off-g. Select one: True False Flag question Question 18 Not yet ( 2x2 3x+1, if x