5x^2+4x-2 This is a second degree polynomial since the largest exponent is x^2
The class midpoint is the lower class limit plus the upper class limit divided by 2 . Add the midpoints column to the original table.
If F(3) then 3=x. So all you would do is substitute 3 in for x
Answer:
Slope is 3/2
Step-by-step explanation:
If you're going from point (1,4) to point (-3,-2), then your answer slope = -3/2.
If you're going from -3, -2 to 1,4 then it's 3/2 because you are going up 3, over 2 each time.

Calculate rank percentile in Excel
To calculate the rank percentile of a list data, you can use a formula. Select a blank cell that you will place the rank percentile at, type this formula =RANK. EQ(B2,$B$2:$B$9,1)/COUNT($B$2:$B$9), press Enter key and drag fill handle down to calculate all rank percentiles.