Algebra- IS this right

Evaluate The Exponential Equation For 3 Positive, 3 Neg. Values Of X &x=0 Y=3^-x"

Y=3^-x,x=3y=1/27,
x=-3,y=27,x=0,y=1.

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  1. is 19+20=39

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  2. y=1/3^x

    x y
    0 1
    1 1/3
    2 1/9
    3 1/27

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    bobpursley

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