Which of the following is true regarding cross-sectional data sets? Check all that apply. The data are collected multiple times over several different time periods. The data consist of only one individual, tracked over time. Most observations are not independent across time. The data are collected at approximately the same point in time.

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5x + 5

step-by-step explanation:

you should always add the diagrams and graphs we cannot see. this particular question is kind of borderline because we can make a graph for you.

(f + g)x = -x^2 +3x + 5 + x^2 + 2x

(f + g)x = 5x + 5

the graph of z = 5x + 5 is shown below. always use desmos when in doubt.

i believe that the answer is

b. y-1=-2(x-4)

hope this !