Please help me with this, it's really easy but I didn't study

Choose a second initial value that is 0.01 greater than the initial value from question 9. iterate it using the function, f, ten times. if necessary, you can round your results to the nearest ten-thousandth.

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18