Need help ASAP with screenshots #1, #2, #3, #11, #12, #13, and finally, #14. PLEASE ANSWER ALL OF THEM AND NUMBER THEM AS I HAVE! If you have any questions do not hesitate to comment! THANK YOU!!!!!!!!
The graph of y = f(x) is shown to the right. Identify the intervals on which f(x) is increasing. . . . . Which of the following shows every interval on which f(x) is increasing? Choose the correct answer below. O A. (b,d), (f,h) O B. (b,d), (f,g) O c. (b,c), (d,e), (f,h) O D. (b,c), (d,e), (f,g) Click to select your answer. Time Remaining: 02:29:48 Next2 Af ( x ) Match the graph of f with the correct sign chart. X -10 Choose the correct sign chart below. OB. f (x ) + + +0- - O A. f(x) _ - -0+ + x -4 -4 OD. f(x) - - -ND + + + O C. f(x) + + +ND- O- - X X -4 -4 Click to select your answer. Time Remaining: 02:29:00 Nextf(x) is continuous on (- 00,00). Use the given infon-nation to sketch the graph of f. f(X)++++D++++0----- o)x -5 5 x 10 5 o 5 10 f(x) -1 1'1 2 4 -4 Choose the correct graph off below. A. Q: m Click to select your answer. (9 Time Remaining: 02:28:10 m 11 An outboard motor has an initial price of $4,050. A service contract costs $300 for the rst year and increases $120 per year thereafter. The total cost of the outboard motor (in dollars) after n years is given by C(n) =4,050 + 250n + 50n2 , where n 21. Complete parts (A) through (C). (A) Write an expression for the average cost per year. 5(n), for n years. 6m): (B) Graph the average cost function found in part (A). Choose the correct graph below. O A. O B. o D. 7': '/ ix' 4,50 4,50 y _ \\4 Q a .> 0 20 (C) When is the average cost per year minimum? (This time is frequently referred to as the replacement time for this piece of equipment.) The average cost per year is minimum after years. Click to select your answer(s). (9 Time Remaining: 02:13:10 m 12 Find the absolute maximum and minimum, if either exists, for f(x) = x +. (. . . .. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. O A. The absolute maximum is at x= O B. There is no absolute maximum. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. O A. The absolute minimum is at x = O B. There is no absolute minimum. Click to select and enter your answer(s). Time Remaining: 02:12:34 NextFind the dimensions of a rectangle with an area of 256 square feet that has the minimum perimeter. The dimensions of this rectangle are ft. (Simplify your answer. Use a comma to separate answers as needed.) Enter your answer in the answer box. Time Remaining: 02:12:02 m 14 Afence is to be built to enclose a rectangular area of 1250 square feet. The fence along three sides is to be made of material that costs $4 per foot. The material for the fourth side costs $12 per foot. Find the dimensions of the rectangle that will allow for the most economical fence to be built. The short side is ft and the long side is ft. Enter your answer in each of the answer boxes. Time Remaining: 02:11:34 m
