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yes second one is polynomial .
not the first one because of the variable in the denominator
you got that? no to the first yes to the second
i dont think all polynomials are functions
yes i understand that.. and just for educational purposes.. what makes something a polynomial function
you have only positive integer exponents
yep satellite explained it
alright and how would you determine the leading coefficient of a polynomial
it is the coefficient of the term of highest degree (larges exponent)
if the polynomial is written in standard form (from highest power to lowest) then it is the first coefficient you see
\[f(x)=-4x^2+3x^2-5x+2\] leading coefficient is \(-4\) for example
okay how about the polynomial: P(x)=3(x-1)(x+3)(2x-5)^2 would it be 3??
if you multiply out (in your head) you will get \(3\times4=12\)
satellite the leading coefficient of -4 x^2 +3x^@-5x will be -1 ?
or if you multiply out for real you get \[12 x^4-36 x^3-81 x^2+330 x-225\]but you don't need to do that to see the 12
satellite reply my question i am asking u
i don't understand it, look at what you wrote
@chlobohoe do you see how i got the 12?
yes i saw! cause you multiplied everything out. ima bout to post another question wait up<3
will it be 1 ?http://prntscr.com/7dpfkw
i mean -1
lol i made a typo
lol.its ok but u confused me :P