Help me with the following 10 questions! Only answer if you know the answers for sure

1).

This table lists the yearly cost of tuition at a college, based on the number of years since 2010. Years Since Yearly Cost of 2010 Tuition X f(x ) 0 $10,600 2 $10,925 4 $11,250 6 $11,650 8 $12,000 What is the approximate best-fit linear function for the data? O A. f(x) = 100x + 10,000 O B. f(x) = 176x + 10,580 O c. f(x) = 10,580x + 176 O D. f(x) = 11,000x + 200This table shows the number of ice cream cones, y, sold at a shop x days after opening. Number of Number of Ice Cream Day's Cones l" 22 33 55 44 :r'? Using a linear model, which equation best models the data? 0 A. if: 12.1x+ 9.9 O B. Y = 9.9X+ 12.1 D C. y = H.9042X + 9.9 O D. Y = '9,D42X+ 12.1 A restaurant chain has been expanding for several years. This table shows how many restaurants the chain has since it opened in 2004. Year Number of Restaurants 2004 7 2008 15 2012 22 2015 31 2020 39 Based on the best-t linear function, in what year did the chain rst include 25 restaurants? 0 A_ 2012 O B_ 2013 O C. 2014 O D_ 2015 The manager of an ice-cream shop recorded in this table the number of ice-cream cones sold per day, based on the day's high temperature. High Number of Ice- Temperature Cream Cones Sold X f(x) 81 750F 88 80 F 95 106 90 F 124 950F 145 Based on a best-fit linear function, what was the approximate outdoor temperature if 60 ice-cream cones were sold in a day? O A. 50 F O B. 56 F O C. 64OF O D. 67 FThis table shows the surface area, in square inches, of a melting slab of ice t minutes after being placed outside. Number of Minutes Surface Area t (square inches) f(t) 0 85.00 3 46.75 6 25.71 9 14.14 12 7.78 What is the approximate exponential best-fit function for the data? O A. f(t) = 0.82(85.00)t O B. f(t) = 1.18(7.78)t O c. f(t) = 7.78(1.18)t O D. f(t) = 85.00(0.82)This table shows the number of bacteria in a petri dish, y, after x hours. Number of Number of Hours Bacteria X y 0 40 3 240 8 720 12 2,160 13 3,080 Which exponential function best fits the data set? O A. y = 315(218)* O B. y = 218(315)* O C. y = 60(1.3)* O D. y = 1.3(60)*Number of Years Number of after 201!) Stores t t} 256 . 384 What is the approximate exponential best-t function for the data set? D O A. t] = 115(1513}t a. t] = 1.5{1111}.t c. t] = 1I:I.1{1_5}t D. t] = 15:21:93.5}t Cost of Ticket Year (3;) 1 12 5 15 20 The data set is modeled with the best-fit exponential function. What is the approximate predicted cost of a ticket in year 55? O A. $955 0 B. $1,230 0 C. $2,155 0 D. $2,958 Which statement BEST describes the equation y = A(2.5)", where A represents the initial value and x represents time in years? O A. The equation represents a function with an exponential decay of 2.5%. O B. The equation represents a function with an exponential decay of 150%. O C. The equation represents a function with an exponential growth of 2.5%. O D. The equation represents a function with an exponential growth of 150%.A scientist studied the population growth of a certain type of bacteria. He concluded that if you start with 2 bacteria, then the population, P, would triple with each passing day, X. Which of these equations represents the population growth of this bacteria? 0 A. P=21x3 O B. 9:31):2 O C. 13:213' 0 [)_ 13:312'