I need help with step 3
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[tex]f(x) = ( \frac{1}{4} ) {}^{x} [/tex]
[tex]f(0) = ( \frac{1}{4} ) {}^{0} [/tex]
[tex]f(0) = 1[/tex]
[tex]f(1) = ( \frac{1}{4} ) {}^{1} [/tex]
[tex]f(1) = \frac{1}{4} [/tex]
[tex]f(2) = ( \frac{1}{4} ) {}^{2} [/tex]
[tex]f(2) = \frac{1}{16} [/tex]
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