If f(x)=2x-4, what would be the answer if f(3)-1??

1

Step-by-step explanation:

We have the function

and we want to know the value of .

The first step is to find ; we can subtract 1 from it at the end! But what does mean?

Basically, we're saying "what is the value of the function when ?"

So, we simply replace with 3 in the function, and we get:

.

Finally, we subtract 1 to find .

step-by-step explanation:

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