Hi for class i have a hundred problem assignment and out of all the problems a few have stumped me i know there not difficult but i am having trouble, i just want to do really good on this assignment , if you can help thanks.

1.)The business opened with a debt of $4300. After 2 years, it accumulated profit of $4600. Find the profit as a function of time , knowing the profit function is linear.

2.)) Find the slope and the y-intercept of the line

3.)The equation of the line with slope that goes through the point can be written in the form where is

4.)Find the - and -intercepts of the graph of the equation

again thank you so uch of you can help