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The values of two functions, f and g, are given in a table. One, both, or neither of them may be exponential.
Give the exponential models for those that are.
x -2 -1 0 1 2
f(x) 0.5 1.5 4.5 13.5 40.5 <<<---=== f(x) =
g(x) 12 6 3 1.5 0.75 <<<---=== g(x) =