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graphing question

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Make a table of values, graph them as (x,y) points, then draw smooth curve between and through the points.
 
f(x) = 5^x
 
x           0  1  2      -1   -2
y=f(x)   1  5  25    1/5  1/25
 
f(x)=(2/3)^x
 
x           0  1     2       -1    -2
y=f(x)   1  2/3 4/9     3/2  9/4
 
f(x)=-3^(-x)=-(3^(-x))
 
x          0     1      2       -1  -2
y=f(x)  -1  -1/3  -1/9    -3   -9

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