Which of the following functions is equivalent to the function below? Select three that apply. f(x)=(1/3)^2x
g(x)=3^x/2
g(x)=(19)^x
g(x)=(16)^x
g(x)=3^−2x
g(x)=(23)^−x
g(x)=9^−x

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b