Pherris is graphing the function f(x) = 2(3)x. He begins with the point (1, 6). Which could be the next point on his graph?

The function is f(x) = 2 · 3^x. The given point checks out because f(1) = 2 · 3 = 6. For the next point with x = 2, f(2) = 2 · 3² = 18, so the point is (2, 18), choice B.

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