Which of the following shows the table representation of the exponential function
f(x)=5•2^x ?

step-by-step explanation:

let pq = qr = rs = x, and xz = y and zu = z.

if the horizontal lines are parallel, then corresponding segments are in proportion:

substitute:

therefore 3 = y = z.

xu = y + z → xu = 3 + 3 = 6

5 feet of chain cost $9

so the answer is 1.80

answer is  

d.

3.09

hope you got this right.