Question

find the minima/maxima, roots, and the domain and reach of the following function:
f(x) = 7-x^2/x-4.
pls help!!

Answer 1

Domain = R-{4}

Answer 2

range*

Answer 3

@yahoo, as in all real numbers except 4?

Answer 4

Yup

Answer 5

oke thanks

Answer 6

but how do I find the minimum/maximum of this function

Answer 7

max or min = -b/2a

Answer 8

since the x^2 term is - ve it should be max

Answer 9

oke

Answer 10

This may help u http://www.youtube.com/watch?v=Dc2_RPPk5cs

Answer 11

thank you