A+ Answers

1.     Consider a graph of   shown below.

a)     Find the slope and equation of the line joining A and B.

b)     Find the slope and equation of the line joining A and C.

c)     Find the y-coordinate of the point P with x-coordinate equal to 0.5 (x=0.5.)

d)     Find the slope and equation of the line joining A and P.

2.     Consider the function defined by

Find

3.      Recall the greatest integer function  , which states that

Find

4.     An observer is standing 200 meters from the point G, at which, a balloon is vertically released. Find the height of the balloon at the time the angle of elevation is 

5.     Recall that a graph of  is

 Find all the values of  in the interval  which satisfy the equation