Question 214433
{{{f(x)=3x-2x+1}}}
Simplify it a little first:
{{{f(x)=x+1}}}
To find f(-1), substitute -1 for x in the function and simplify:
{{{f(-1)=-1+1}}}
{{{highlight(f(-1)=0)}}}
I will leave the second part to you.
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Good Luck,
tutor_paul@yahoo.com