To determine which points would appear on the graph of the function \( C = 1.25m + 25 \), we'll need to calculate the total cost \( C \) for various values of miles driven \( m \).
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For \( m = 2 \): \[ C = 1.25 \times 2 + 25 = 2.5 + 25 = 27.5 \] So, the point is \( (2, 27.5) \).
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For \( m = 4 \): \[ C = 1.25 \times 4 + 25 = 5 + 25 = 30 \] So, the point is \( (4, 30) \).
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For \( m = 8 \): \[ C = 1.25 \times 8 + 25 = 10 + 25 = 35 \] So, the point is \( (8, 35) \).
Based on these calculations, the points \( (2, 27.5) \), \( (4, 30) \), and \( (8, 35) \) lie on the linear function defined by the cost formula \( C = 1.25m + 25 \).
Now, let's look at the provided options:
- (2, 22.5) and (4, 20): Incorrect
- (4, 30) and (8, 35): Correct
- (30, 4) and (35, 8): Incorrect
- (2, 2.5) and (4, 5): Incorrect
So the correct answer is:
(4, 30) and (8, 35).