Select all that represent a proportional relationship. 6
х
5
y
3
4+
2
A.
3
B.
4.
2+
1+
6
0
1 2 3
4 5 6 7 8 9
8
6
6-
y
5
* نی
4
1
c.
3+
D.
6
N
2+
9
1
3
0
X
1 2 3 4 5 6 7 8 9
12
4

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

Write the equations in logarithmic form 9^4=6,561

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.