Problem #1: Which of the following is equal to coth(In x)? (A) 2- (B) (C) 2+ (D); 2 x + 1 (E) 2x ( F ) 2x Problem #1: Select v Just Save Submit Problem #1 for Grading Problem #1 Attempt # 1 Attempt #2 Attempt # 3 Your Answer: Your Mark: Problem #2: Findy' ify = x25 sinhx 2 sinh x + x cosh x 2 sinh x - 5x cosh x 2 sinh x - 5 cosh x 2 sinh x - cosh x 2 sinh x + 5 cosh x (A) 5x-3/5 (B) 5x-3/5 (C) 5x-3/5 (D) 5x-3/5 (E) 5x-3/5 2 sinh x + cosh x 2 sinh x + 5x cosh x 2 sinh x - x cosh x (F) 5x-3/5 (G) 5x-3/5 (H 5x-3/5 Problem #2: Select v Just Save Submit Problem #2 for Grading Problem #2 Attempt #1 Attempt #2 Attempt # 3 Your Answer: Your Mark:PrOblem #3: Find the two critical values of the function f (x) : x2/5 (9 2x). Problem #3. as m these examples separate your answers wrth a comma Just Save Submit Problem #3 for Grading Problem #3 Attempt #1 Attempt #2 Attempt #3 Your Answer: Your Mark: Pl'Oblem #4: Consider the function f given below. _{x2+l if1:x= l:l Enter your answer symbolically, as in these examples Enter your answer symbolically, as in these examples l Just Save l l Submit Problem #8 for Grading l Problem #8 Your Answer: Your Mark: Attempt #1 Attempt #2 Attempt #3 8(a) 8(a) 8(a) 8(b) 8(b) 8(b) 8(a) 8(a) 8(a) 8(b) 8(b) 8(b) separate your answers with a comma do not include 'y=' in your answer do not include 'X=' in your answer Problem #9: Suppose that the derivative of a function f is given by f'(x) = x5 (x 2>9 (x 3)2 (x 4)? Find the x-coordinates of the local maximum points of f. (A) 0 and 2 only (B) 2 and 3 only (C) 3 only (D) 0 and 4 only (E) 2 only (F) 3 and 4 only (G) 0 and 3 only (H) 2 and 4 only Problem #9: l Just Save l l Submit Problem #9 for Grading l Problem #9 Your Answer: Your Mark: Attempt #1 Attempt #2 Attempt #3 Problem # 10: Suppose that the second derivative of a function f is given by f"(x) : x4 (x 2)9 (x 3)? Find the x-coordinates of the inection points of f (if any). (A) none (B) 0,2, and 3 (C) 3 only (D) O and 2 only (E) 2 and 3 only (F) 2 only (G) 0 and 3 only (H) 0 only Problem #10: l Just Save l l Submit Problem #10 for Grading l Problem #10 Your Answer: Your Mark: Attempt #1 Attempt #2 Attempt #3 Problem #11: Evaluate the following limits. (a) lim x-+0 51 - 1 (b) lim x2 tan(8/x2) (C) lim (1 - 4x Enter your answer symbolically, Problem #11(a): as in these examples Problem # 11(b) : Enter your answer symbolically, Problem #11(c): as in these examples Just Save Submit Problem #11 for Grading Problem #11 Attempt #1 Attempt #2 Attempt # 3 Your Answer: 11(a) 11(a) 11(a) 11(b) 11(b) 11(b) 11(c) 11(c) 11(c) Your Mark: 11(a) 11(a) 11(a) 11(b) 11(b) 11(b) 11(c) 11(c) 11(c)