Tom measured the temperature at five elevations. He fit the data to a line and got the equation below. The variable x represents the elevation in feet. The variable y
represents the average monthly temperature in degrees Fahrenheit. What is the y-
intercept? Explain what this value means within this context.
y = -0.0028.0 + 72.2

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.