MAIN-3 X 71 Course: M /1 Unit6 Ass M / MATH-83 8 Th MATHtest, 3 751 Course M X /mod/quiz/attempt.php?attempt=2822758&cmid=2089274 Question 1 Not yet answered Marked out of 1,00 A farmer wants to fence a rectangular pasture for his chickens with his 100m of fences. By graphing the equation ((x) - -2x2 + 100x, he can determine what dimensions to use to maximize the fenced area. Which value on the graph will be the maximum length he can use? O a. x coordinate of maximum vertex O b. y coordinate of maximum vertex O c. x-intercept O d. y-intercept Next page 9 hipss X orquest.ca/mod/quiz/attempt.php?attempt=2822758&cmid=2089274&page=1 E Question 2 Not yet answered Marked out of 1.00 A student gently kicks their math book off of a cliff. The rate at which it falls can be modelled by h(1) - -3 + 2:+ 8, where h(t) represents the height in meters and t represents time in seconds. The length of time the book was in the air can be determined by graphing the function on their calculator and finding the O a. y intercept O b. x value of the maximum O c. y value of the maximum O d. diference between x intercepts hp6 Ass X .norquest.ca/mod/quiz/attempt.php?attempt=2822758&cmid=2089274&page-2 E Fall,2022 Spr,2022 Sum,2022 Wtr -XL- 22 Question 3 Not yet answered Marked out of 1.00 Choose the best estimate for 280 in radians. O a. 3 O b. 4 O C. 6 O d. 5 Previous page Next hpn Unit She x In MATH-38 3 | In MATH-83( x | @ Course. M x orquest.ca/mod/quiz/attempt php?attempt=2822758&cmid=2089274&page=3 Consider the cubic function fx) = (x-a)(x-b)(x-c), where a, b, and c are different whole numbers. Which of the following images graphed on a graphing calculator could represent the cubic function? a. O O C. O M hp6 ABS X .norquest ca/mod/quiz/attempt.php?attempt=2822758&cmid-20892746page-4 E Not yet answered Marked out of 1.00 XL- Determine the degree of this polynomial function: $2 - AE O a. 2 O b. 3 O C. O O d. 1 M CS hpX 1 MATH-32 X 1 Course M X T Units Ass * 1 MATH-33 2 MACH 33 x | i Course M rquest.ca/mod/quiz/attempt.php?attempt=2822758&cmid=2089274&page=5 E Question 6 Not yet answered Marked out of 106 Determine the equation of the cubic regression function for the data. X 2 4 7 10 12 13 17 19 y 135 120 105 102 99 88 78 47 O a. y = 0.05x3 - 1.5x2- 16x + 162.5 O b. y = 0.05x3 + 1.5x2 + 16x- 162.5 O c. y = -0.05x3 + 1.5x7+ 16x- 162.5 O d. y = -0.05x3 + 1.5x2- 16x + 162.5MATH-3302-Math 030-2-055,060-XL-202 Fall,2022 Spr,2022 Sum,2022 Wtr Question 7 Not yet answered Marked out Determine the period of the following function. y = 3 sin (2x + 1809) O a. 180 O b. 720 O C. 360 O d. 1080 O hpUnit 6 Ass X in umeal yclass.norquest.ca/mod/quiz/attempt.php?attempt=2822758&cmid=2089274&page=7 T EGE Fill in the blanks to describe the end behaviour of this 5,060-XL- pr,2022 polynomial function: The curve extends from quadrant to quadrant b. C. 11; 1 O d. Ill; 1 O hp1/7 /mod/quiz/attempt.php?attempt-2822758&cmid-2089274&page=0 Question 9 Not yet answered Marked out of 1.00 The average retail price of gas in Canada from 1979 to 2008 can be modelled by the function P(y) = 0.0083- 0.307) + 4.830y + 25.720 where P is the price of gas in cents per litre and y is the number of years after 1979. Determine the average price of gas in 2002 O a. 69.84/L O b. 68.84/L O C. 71.74/L O d. 70.40/L hp/mod/quiz/attempt.php? attempt=2822758&cmid=2089274&page=9 E Question 10 Not yet answered Marked out of 1.00 The distance a marathon runner covers can be modelled by the function d(t) = 153.8t + 86 where d represents the distance in metres and t represents the time in minutes. Approximately how long will it take her to run the 42.2 km race? O a. 5.0 h O b. 4.6 h O c. 5.5 h O d. 6.0 h hp