Diagram 2 shows the function $p$ $p$ maps $x$ $x$ to $y$ $y$ and the function $q$ $q$ maps $y$ $y$ to $z$ $z$ . Given $p : x \to x - 2$ $p:x->x-2$ and $q : y \to - 8 + 3 y$ $q:y->-8+3y$ . Find the value of $k$ $k$ .?

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Miss.Sue(mathematics teacher)

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Answer 1 · 2018-06-22T13:37:42

I don't see $p$ $p$ and $q$ $q$ on that diagram, but it seems $k = q (3) = - 8 + 3 (3) = 1$ $k=q(3)=-8+3(3)=1$