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Math Asked by a SnapAndSolve user · about 2 hours ago

Which point lies on the function y = 3x + 9?

3. Which point lies on the function y = 3x + 9?
(2,14)
(-2,5)
(-4,3)
(3,18)

Answer

To determine which point lies on the function y = 3x + 9, substitute the x-value of each point into the equation and check if the resulting y-value matches.

  1. For (2,14): y = 3(2) + 9 = 6 + 9 = 15 (not 14)
  2. For (-2,5): y = 3(-2) + 9 = -6 + 9 = 3 (not 5)
  3. For (-4,3): y = 3(-4) + 9 = -12 + 9 = -3 (not 3)
  4. For (3,18): y = 3(3) + 9 = 9 + 9 = 18 (correct)

The point (3,18) lies on the function y = 3x + 9.

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