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Y Axis = Triangles:2 3 4 5 6 7

X Axis = Figure #: 1 2 3 4 5 6

Y = starts with 2 triangles and add one triangle per figure

X = Starts with figure one and adds 1 figure everytime

Recursive pattern

You add 1 to the figure # to make Y

Let X = Figure #

X + 1

**I Got Steak In My Teeth:**

X Axis = Figure #: 1 2 3 4 5 6

Y = Start with 3 toothpicks and add 2 toothpicks everytime

X = Start with figure one and add 1 figure number everytime

For each figure, you add two toothpicks from the last figure. Multiply the figure by two and add one

2x + 1 = Y

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