Question

Use the image to answer the question.

Coordinate plane with x-axis 0 to 40 by 5s, y-axis 0 to 900 by 100s. A line plots from (0, 100) to (40, 900) with an arrowhead.

Victoria gets paid $100 as a flat rate each week, as well as $20 per hour. Let y
equal the amount Victoria gets paid per week and x
equal the number of hours she works per week. Given that the graph shows the set of all solutions, what is the mathematical equation that explains the function?

(1 point)
Responses

y=100x
y equals 100 x

y=100x+20x
y equals 100 x plus 20 x

y=20x
y equals 20 x

y=100+20x
y equals 100 plus 20 x
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Answer 1

y = 100 + 20x

When x = 0, y = 100 (flat rate). Each additional hour adds $20, so slope = 20; at x = 40, y = 100 + 20(40) = 900.