Question

10:34 LTE < Back Name 1. The table shows a country's gross domestic expenditures on research and development (in billions of U.S. dollars). Let4 correspond to the year 2004 car R&D spending a. Use a graphing calculator to find a quadratic function that models the data b. Use the trace feature to predict the spending in 2012 c. Insert a screenshot of your scatterplot and polynomial function. 2·The table gives performance data for a boat powered by a certain outboard motor pa spend 00096 a. Find a quadratic regression model for a boat speed y (in miles per hour) as a function of engine speed (in revolutions per minute). Round to 3 decimal places. Please note the "E-6 which is your calculator's way of using scientific notation to say xlo Calendar To Do Inbox

Answer 1

A)

The Ti-83 graphing calculator steps are as follows.

Press ON key, Press STAT key enter 1 and enter the data as shown below,

Press STAT, go to CALC and enter 5 the result is obtained as,

b) To find x=12, follow the below steps, click on Y= button and enter the equation as shown below,

set the window as shown below,

Click on Trace, the graph obtained as,

click 12 and press enter as shown below,

c) click on 2nd + Y= button, 1 and click on ON, press Graph, the scatter plot and function is as shown below,