There are 2 friends each friend has a dollar to buy some pie the 1st friend buy 6/8 for a dollar the. second friend buy 3⁄4 for a dollar who receives the better deal.​

options a,b,c are the right answer.

step-by-step explanation:

a linear parent function is always represented as y = x

if we write this function in the form of y=mx+c

⇒

or  

now if we plot a graph we will find these characteristics:

1) y intercept of the graph is zero so its a straight line passing through origin.

2) as we can see in both the forms of function written, values of x and y may be either positive or negative for the positive slope means points on the graph are either in first quadrant or in third one.

3) it's slope is one.

b. 2 and 4

step-by-step explanation:

when the daily mileage is greater than 40 miles, unlimited mileage plan will save you money. 40 miles is the break-even point.

step-by-step explanation:

↓↓↓↓↓↓↓↓↓

step-by-step explanation:

this is a parabola.