Write a function in any form that would match the graph shown below.

answer: the first one

step-by-step explanation: use a calculator and divide the minutes by the dollars.

h is the x-coordinate of the vertex

step-by-step explanation:

we have

in this function

the point represent the vertex of the function

so

h is the x-coordinate of the vertex

k is the y-coordinate of the vertex

i think the answer is b x = 1, y = 35/2