Indicate which of the following four graphs is the correct graph of this function?

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For the given funciton:
[tex]r(x)=-2(\frac{4}{3})^{x+1}[/tex]The base b is 4/3. it is less than 1 and greater than 0. The function is decreasingy-intercept: -2*(4/3) =2.667Graph passes trought points:(0,2.667)(-1,-2)Graph: