I have 4 questions that i need help with 1.Find the slope of the line passing through P(2,3) and Q(-1,4).

2.A stockbroker charges $20 to handle any transaction. In addition, a charge of $.18 is made for each share traded. Write a linear function in slope intercept form which describes the rate schedule for this broker.

3.If a continuous function contains the points (0,1), (1,3), (2,5), (3,7), (4,9), write the linear function in slope intercept form that describes the points.

4. The x-intercept of a line is (3, 0) and the y-intercept is (0, 5). What is the equation of this line?