The image of a parabolic lens is traced onto a graph. The function f of x is equal to 1 fourth open paren x plus 8 close paren open paren x minus 4 close paren represents the image. At which points does the image cross the x -axis?

Question

Revolt · Accepted Answer

negative 8 comma 0 and 4 comma 0

Pretest

The image of a parabolic lens is traced onto a graph. The function f of x is equal to 1 fourth open paren x plus 8 close paren open paren x minus 4 close paren represents the image. At which points does the image cross the x -axis?

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