I just need help on 4​

3. solve by graphing: y = 2x + 6 x + y = -3

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.