Use the table to determine the appropriate model of the function, x       1             2             3             4             5       f(x)       15             12             9             6             3       linear quadratic cubic exponential

For being nice i appreciate it but abc

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

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