Question 160632
 Find the domain of the function. 
{{{f(x)=4x^2+27x-7}}}

<pre><font size = 4 color = "indigo"><b>
That is a polynomial function. Every polynomial function 
has domain "all real numbers", or

{{{matrix(1,5,"(",-infinity, ",", infinity,")")}}}

Only when there is a square root (or other even root) 
containing a variable or a denominator containing a
variable will the domain ever be anything but "all
real numbers", which in interval notation is

{{{matrix(1,5,"(",-infinity, ",", infinity,")")}}}

Edwin</pre>