The following table shows the fuel efficiency (In miles per gallon) of a car in relation to the speed that it is traveling (In miles per hour).
Speed Fuel Efficiency
15
20.4
25
27.2
35
28.3
45
29.0
55
30.1
65
27.6
75
23.1
Use a graphing or online regression calculator to find the quadratic function of best fit for this set of data. Then, predict
the approximate fuel efficiency of this car when it is traveling 80 miles per hour.

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.

Determine the common ratio and find the next three terms of the geometric sequence. 10, 2, 0.4, a. 0.2; -0.4, -2, -10 c. 0.02; 0.08, 0.016, 0.0032 b. 0.02; -0.4, -2, -10 d. 0.2; 0.08, 0.016, 0.0032 select the best answer from the choices provided a b c d