Find the equation of the exponential function represented by the table below

Select the correct answer and solve for y

What is the equation of a line that passes through points (0, 4) and (-4,-8)?

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school. each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220