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Mathematics

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F(x)=3x-7 find f(2x+5)

Answer :

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Today at 4:49 PM

Answer:

f(2x+5)=6x+8

Explanation:

Given the function f(x) defined below:

[tex]f(x)=3x-7[/tex]

We are required to evaluate f(2x+5).

To do this, we substitute x in f(x) with 2x+5.

[tex]\begin{gathered} f(x)=3x-7 \\ f(2x+5)=3(2x+5)-7 \end{gathered}[/tex]

We can then simplify:

[tex]\begin{gathered} f(2x+5)=6x+15-7 \\ =6x+8 \end{gathered}[/tex]

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