The awnser to this question is Macro Forecasts
I think you would go like this: If 15 covers 5 inches then I know I am going to need at least 30 but I have 3 more spaces so I have to divide 5/15 (That is 15 divided by 5) The answer is 3 so I have to go 3 x 3 which is 9 and then I add
9 to 30 which is 39 so there is my answer. If I did it incorrect please tell me. :). I hope it helps.
4.2*10^-2
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The scale factor that was used to create the given square will be given by:
(length of image)/(length of pre-image)
Length of image=3
Length of pre-image=1
thus the scale factor will be:
scale factor=3/1=3
Answer: 3
I’m pretty sure option two is a function