I don't understand what I am supposed to do to find what I need to do what the question is asking for. List the following functions in order of the greatest rate of change to the least rate of change as x approaches infinity.

f(x)= 2x

r(x)= x3

s(x)= 3x4

Answer choices:

f(x),s(x),r(x)
s(x),r(x),f(x)
s(x),f(x),r(x)
f(x),r(x),s(x)

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

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?