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Question
The relation between the tutoring time and the income in dollars is shown on the graph. Which of the following equations is represented in the graph?
The relation between the tutoring time and the income in dollars is shown on the graph. Which of the following equations is represented in the graph?
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Solution
The correct option is D y = 10x + 10
From the graph, we observe that,
when x = 0, y = 10
when x = 1, y = 20
when x = 2, y = 30
Hence, y is the sum of 10x and 10.
Hence, the required equation is y = 10x + 10.
From the graph, we observe that,
when x = 0, y = 10
when x = 1, y = 20
when x = 2, y = 30
Hence, y is the sum of 10x and 10.
Hence, the required equation is y = 10x + 10.
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