Question

9. Ian and his friends are renting a cabin that

charges an initial fee plus a rate per night. The
relationship between the cost and the number of
nights is shown in the graph.

Answer 1

taken from another post

Explanation:

Answer:

Cost per night: 75

Equation:

Explanation:

An equation to represent the situation can be written in the slope-intercept form, , where,

m = slope of the graph, which is the rate per night.

b = y-intercept, which is the initial fee. It is the point where the line intercepts the y-axis.

Let's find m, using two points on the line, (2, 200) and (4, 350)

✅The cost per night = 75

y-intercept, b, = 50. The line intercepts the y-axis at y = 50, when x = 0.

Substitute m = 75, and b = 50 into .

✅The equation would be: