SOLUTION: If f(x)=3x^2-0-1,find f(0),f(-2),and f(i)

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Question 314369: If f(x)=3x^2-0-1,find f(0),f(-2),and f(i)
Answer by JBarnum(2044) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=3x%5E2-0-1
f%28x%29=3x%5E2-1
if f(x)=f(0) then
f%280%29=3%280%29%5E2-1
f%280%29=0-1
highlight%28f%280%29=-1%29
if f(x)=f(-2) then
f%28-2%29=3%28-2%29%5E2-1
f%28-2%29=3%284%29-1
f%28-2%29=12-1
highlight%28f%28-2%29=11%29
if f(x)=f(i) then
f%28i%29=3%28i%29%5E2-1
im assuming (i) is imaginary # & not a variable so i=sqrt%28-1%29
f%28i%29=3%28-1%29-1
f%28i%29=-3-1
highlight%28f%28i%29=-4%29