The table below represents the distance of a train from its destination as a function of time: Time
(hours)
x Distance
(miles)
y
0 630
1 540
2 450
3 360
4 270

Part A: What is the y-intercept of the function, and what does this tell you about the train? (2 points)

Part B: Calculate(show work) the average rate of change of the function represented by the table between x = 1 to x = 4 hours, and tell what the average rate represents. (4 points)

Part C: Write an equation for the function using slope-intercept form. Describe the steps to graph the function using the slope-intercept form.(2 points) State the labels on the x and y axes. (2 points)

(10 points)

the correct answer is the second option

answer set (b) 0.5, 3/4 80% is in order from least to greatest.  

step-by-step explanation:

in order to compare rational numbers to each other, it is much easier if they are in the same form.   typically, the best form in which to evaluate rational numbers is in decimals.   in order to convert a percent to a decimal, you would divide the given percentage by 100.   you can also accomplish the conversion by moving the decimal point over two places to the left.   for example, the decimal value of 80% is 80/100, or 0.8.   in order to convert a fraction to a decimal, you need to divide the numerator by the denominator.   for example, 3/4 is 0.75.   so, for choice (b) 0.5 3/4 (0.75), 80% (0.8) is the only choice in which the numbers are in order from least to greatest.  

29933333.33

step-by-step explanation:

its 50 miles away from the starting point