A shopping mall charges $30 per vehicle plus $2 per person as an admission fee. The total charge for a vehicle with x people is f (x) = 2x + 30. How will the graph of this function change if the per vehicle charge is changed to $10 per vehicle? The line will shift vertically down by $10. The line will shift vertically up by $20. The line will shift vertically up by $10. The line will shift vertically down by $20.

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19 September, 13:58

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Wallace · Answer 1

Changing the 30 to 10 is a 20 unit drop (30-10=20)

so the line would shift vertically down by 20

The line will shift vertically down by $20.