Its math multiple choice. please give me correct answer. explanation no neeeded

there only 3 question.

Question 6 Find the oblique asymptote for the function Not yet answered 5x-2x2 f ( x) = - Marked out of x - 2 1.00 Flag question Select one: O a. y=x+1 O b. y=-2x-2 O c. y=-2x+1 O d. y=3x+2 Question 7 Select all intervals where f'(x) > 0 and f" (x) > 0.Question 5 Find the intervals of concavity of the function Not yet answered f(x)=x4-8x3+6x-5 Marked out of 1.00 Select one: Flag question O a. (-00,0) U(4, too) O b. (-2,2) O c. (-00.4) O d. (0,4) Question 6 Find the oblique asymptote for the function Not yetQuestion 4 Find the maximum and minimum points of the function Not yet answered Marked out of f (x ) =7x3+8x2+3x+2 1.00 P Flag question Select one: O a. Xmax -1/9, Xmin--1/7 O b. Xmax=1/4, Xmin=1/5 O C. Xmax-1/5, Xmin-1/4 O d. Xmax=-1/7, Xmin=-1/9 Question 5 Find the intervals of concavity of the function