50. AMPHITHEATER Suppose a singer is performing at an
amphitheater. We can model this situation with polar
coordinates by assuming that the singer is standing at
the pole and is facing the direction of the polar axis.
The seats can then be described as occupying the area
defined by -45°<0<45° and 30 < r < 240, where r is
measured in feet.
a. Sketch a graph of this region on a polar grid.
b. If each person needs 5 square feet of space, how many
seats can fit in the amphitheater?

1: -2 3/4, -2 1/2, -14, 0, 3, 8 1/3

2: -4, -3, -2 1/2, -2 1/4, 3 1/4,

step-by-step explanation:

360/29

step-by-step explanation:

(1, –1), (16, –4), (36, –6)

step-by-step explanation:

given that the function is

this can also be written as

we have to graph this function and check which list of points lie on the graph

see attachment for graph:

we find that the points lying are (1,-1) (16,-4) and (36,-6)

since square root is there we find that x can only be posiitve but y can be since square root both positive and negative.

13.46

step-by-step explanation:

16.80 x .20 = 13.46