HHHHHHHHHHHHHEEEEEEEEEEEEEEEEELLLLLLLLLLLLLLLLLLLLLLLLPPPPPPPPPPPPPPPPPPPPPPPP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!100 POINTS AND BRAINLEST
Write the exponential function f(x)=-2*3^(1-x) in the form f(x)=ab^x
f(x)=-2(1/3)^x
f(x)=-6*(-3)^x
f(x)=-6*(-1/6)^x
f(x)=-6*(1/3)^x