AIR MATH

Math Question

The graph of the function \( f(x)=(x-3)(x+1) \) is shown. Which describes all of the values for which the graph is positive and decreasing? all real values of \( x \) where \( x<-1 \) all real values of \( x \) where \( x<1 \) all real values of \( x \) where \( 1<x<3 \) all real values of \( x \) where \( x>3 \)

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