Bus Econ 3.4.45-GC Spending on travel and tourism (in billions of dollars) for the years 1991-2009 is given in the table. a. Write the equation of a power function that models the data, letting your input represent the number of years after 1990. b. Find the best-fitting quadratic model for the data, with x 0 in 1990. c. Compare the two models by graphing each model on the same axes as the data points. Which model appears to be the better fit? Question Help Spending Spending Year (billions of $) Year (billions of $) 1991 278 2001 471 1992 319 2002 489 1993 322 2003 532 1994 352 2004 637 1995 414 2005 678 1996 436 2006 742 1997 443 2007 862 1998 442 2008 941 1999 452 2009 853 2000 481 Homework: Section 4.1 Homework Score: 0 of 1 pt 4.1.3 Consider the functions y√x and y√x+6. Sav 1 of 21 (0 complete) HW Score: 0%, 0 of 21 Question Help (a) Sketch the graph of the pair of functions using a standard window. (b) Describe the transformation used to obtain the graph of the second function from the first function. (a) Which of the following is the correct graph of the functions y=√√x (indicated in blue) and y = √x+6 (indicated in red)? OA. O B. Ay Q O C. OD. 4.1.5 Consider the functions y=√x and y=√x-6+4. (a) Sketch the graph of the pair of functions using a standard window (b) Describe the transformation used to obtain the graph of the second function from the first function. (a) Which of the following is the correct graph of the functions y=√x (indicated in blue) and y√x-6+4 (indicated in red)? OA. OB. Q OC. O D. 12 12 12 a ROO Question He