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Given q(x)=3x and r(x)=x2. What is (r◦q)(2)?
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Given q(x)=3x and r(x)=x2. What is (r◦q)(2)?

User Joseph Ditton
by
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1 Answer

2 votes

Answer:

36

Explanation:


(r\circ q)=(x)=r\bigg(q(x)\bigg)\\\\r(x)=x^2;\ q(x)=3x\\\\\text{substitute}\\\\(r\circ q)(x)=(3x)^2=3^2x^2=9x^2\\\\(r\circ q)(2)=9(2^2)=9(4)=36

User July
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