Choose the best scale for the axes for x = 10, 20, and 30

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To determine the best scale for the axes based on the equation y = 2x - 3 for x values of 10, 20, and 30, it's essential to calculate the corresponding y values, which are 17, 37, and 57, respectively. The suggested scales must encompass these y values adequately. Options A, B, C, and D are evaluated based on whether they include the calculated y values. The discussion emphasizes the importance of selecting a scale that provides sufficient detail and resolution for the plotted points.
dr_pooool
I need help!

I am practicing out of my book and this problem is killing me.

Given the following equation, choose the best scale for the axes for x = 10, 20, and 30

y = 2x – 3



A) x-axis: from 0 to 80, intervals every 20; y-axis: from 0 to 40, intervals every 10.
B) x-axis: from 0 to 15, intervals every 10; y-axis: from 0 to 40, intervals every 20
C) x-axis: from 0 to 40, intervals every 10; y-axis: from 0 to 80, intervals every 10
D) x-axis: from 20 to 40, intervals every 5; y-axis: from 27 to 80, intervals every 40
 
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For each of A, B, C, D, see what y is for the smallest and largest given values of x. Are those values included in the suggested values for y?
 
I am not sure of what you are asking? Can you please elaborate.
 
Work out the x and y coordinates for each of the values of x you are given, and think how much detail you want to just fit them, and have the right resolution.
 
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