Please help, i really need it.

Find the power series expantion of f(z)=log(4=3z) at the point z=-1

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Solutions for 2x+7 less than or equal to 3x-5