AIR MATH

Math Question

The scatter plot shows the average monthly temperature, \( x \), and the monthly heating cost of a family, \( y \), for 24 different months. Monthly heating cost (in dollars) Average monthly temperature (in 아) Use the equation of the line of best fit, \( y=-1.22 x+97.20 \), to answer the questions below. Give exact answers, not rounded approximations. \begin{tabular}{|l|l|} \hline (a) What is the predicted heating cost for a month with an \\ average temperature of 25 'F? \\ (b) What is the predicted heating cost for a month with an \\ average temperature of \( 0^{\circ} \mathrm{F} ? \) \end{tabular} (c) For an increase of one degree Fahrenheit, what is the predicted decrease in the monthly heating cost?

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