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Sagot :

Answer:

Part 1: [tex]\frac{11-x}{5}[/tex] or [tex]\frac{11}{5}-\frac{x}{5}[/tex]

Part 2: [tex]\frac{9}{5}[/tex]

Step-by-step explanation:

To start things off, you must put everything on the opposite side of y so that you only have the y variable left.

In this case, put x onto the other side, making it negative since it's flipped, so you get [tex]5y=11-x[/tex] (since the x is negative you're using subtraction from 11).

Next, divide both sides by 5 to make 5y into y:

[tex]\frac{5y}{5} =\frac{11}{5}-\frac{x}{5}[/tex]

[tex]y=\frac{11}{5}-\frac{x}{5}[/tex]

Then in this case you turn y=f(x), but the system did it for you, so all you have to put is [tex]\frac{11}{5}-\frac{x}{5}[/tex].

For the second part you must replace x with 2 since you need to find f(2).

[tex]\frac{11-2}{5}[/tex]

Your answer for part 2 is [tex]\frac{9}{5}[/tex].