A salesperson earns $450 per week plus 15% of her weekly sales. The expression representing her earnings is 450 + 0.15x. Which of the following
describes the sales necessary for the salesperson to earn at least $600 in
one week?

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.

-2 is the right

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a

step-by-step explanation: