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Let f(x) = - 5x + 6. Find and simplify f(3a-5).f(3a –5)=(Simplify your answer.)

User RTOSkit
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1 Answer

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Given:


f(x)=-5x+6

We need to find f(3a-5)

So, substitute with x = 3a - 5 into the given function

So,


\begin{gathered} f(3a-5)=-5\cdot(3a-5)+6 \\ f(3a-5)=-5\cdot3a-5\cdot-5+6 \\ f(3a-5)=-15a+25+6 \\ \\ f(3a-5)=-15a+31 \end{gathered}

so, the answer will be: f(3a-5) = -15a + 31

User NiematojakTomasz
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