Problem #5: Evaluate the following limits. (a) 9r - 2x + 15 lim 4r - 4x - 14 9r- - 2 + 15 lim Ar- -4x - 14 (c) 9x- - 2x + 15 lim Ar - 4x - 14 Problem #5(3): Select ct t Part (a) choices. ( A) - B) = (C; (D) -9 (60 19 ( G -- H- Problem #5(b): Select T Part (b) choices. (A) B0 0-905090; 0-65 4)-2 Problem #5(c): Select T Part (c) choices. Just Save Submit Problem #5 for Grading Problem #5 Attempt #1 Attempt #2 Attempt #3 Your Answer: S(a) S(2) 5(a) 5(b) S(b) 5(b) 5(c) S(c) 5 (c) Your Mark:| 5(a) S(a) 5(a) 5(b) S(b 5(b) S( C) s(c) 5(c) Problem #6: Evaluate the following limits. a) lim lim X-+81 Problem #6(a): Enter your answer symbolically, as in these examples Enter your answer symbolically, Problem #6[b): 15 in these examples Just Save Submit Problem #6 for Grading Problem #6 Attempt #1 Attempt #2 Attempt #3 Your Answer: Ma) 6(b) Your Mark: (0) 6(a) (a) Problem #7: A manufacturer buys $22,000 worth of machinery that depreciates linearly so that its trade-in value after 10 years will be $5,000. (a) Express the value of the machinery as a function of its age x (in years)- Put your answer in the form y = mx + b, but do not include the 'y = ' part in the answer box. (b) Compute the value of the machinery after 7 years. Round your answer to the nearest dollar. (Do not include the word 'dollars' in your answer.) (c) After how many years does the machinery become worthless? Round your answer to 1 decimal place, and don't include the word 'years'. c.g. 55.4 Enter your answer as a symbolic Problem #7(a): function of x, as in these examples Problem #7[b): Problem #7(C): Just Save Submit Problem #7 for Grading Problem #7 Attempt #1 Attempt #2 Attempt #3 Your Answer: 7(a) 7(b) 7(b) 7(b) 7(c) 7(c 7(c) Your Mark: 7(a) 7(b 7(b) 7(c) 7(c) 7(c)