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Problem #6: e Let f(x)= m . On what interval is f increasing? (A) (=, In8) (B) (-,5ln8) (C)(-5In8,) (D)(gln9,) (E)(-,zIn9) (F)(-=,~3In9) (G) (5In8,%) (H)(-5In9,) Problem #6: | Just save | | Submit Problem #6 for Grading Problem #6 | Attempt #1 Attempt #2 Attempt #3 Your Answer: Your Mark: Problem #7 ' Let fx)= x\" Inx. On what interval is f concave down? (A) ("17,) (B) (0,e!772) () (71772,0) (D) (77#17,0) (E) (0,) (F)(0,7772) (G) (0,717 (H) (617/72, o0) Problem #7: | Just Save | | Submit Problem #7 for Grading Problem #7 | Attempt #1 Attempt #2 Attempt #3 Your Answer: Your Mark: Problem #8: Consider the following function. e 49 S =357 (a) Find the two horizontal asymptotes of f. (b) Find the vertical asymptote of f. Enter your answer symbolically, separate your answers with a comma povemasa: [ ] e do not include 'y="in your answer Enter your answer symbolically, ovem s [ ] e e do not include 'x="in your answer \\ Just Save | \\ Submit Problem #8 for Grading Problem #9: Suppose that the derivative of a function f is given by f'@ =2 -2 x-3>x-4. Find the x-coordinates of the local minimum points of f. (A)Oand 3only (B)3only (C)0and?2only (D)2and4only (E)2and3only (F)O and4 only (G) 3 and 4 only (H) 2 only Problem #9: | Just Save | | Submit Problem #9 for Grading Problem #9 | Attempt #1 Attempt #2 Attempt #3 Your Answer: Your Mark: Problem #10: Suppose that the second derivative of a function f is given by e =2 (=272 x-3)% Find the x-coordinates of the inflection points of f (if any). (A)2only (B)2and3only (C)02,and3 (D)3 only (E)Oonly (F)0and2only (G)none (H) 0 and 3 only Problem #10: | Just Save | | Submit Problem #10 for Grading Problem #10 | Attempt #1 Attempt #2 Attempt #3 Your Answer: Your Mark: Problem #11: Evaluate the following limits. (@ . x8* I w1 (b) lim x2 tan(2/x%) (c) Tt (1 " %)7): X>00 : Enter your answer symbolically, Problem #11(a): : as in these examples . Enter your answer symbolically, Problem #11(c): : as in these examples