Question 605082
for the function f(x)=3x^2+23x-14
find the domain and range
-------
Domain: All Real Numbers
----------------------------
Range: ?
Find the vertex:
x = -b/(2a) = -23/(6)
f(-23/6) = 3(-23/6)^2 + 23(-23/6) -14 = -58.08
Since the parabola opens up, the range is 
"All Real Numbers >= -58.08".
=======================
{{{graph(400,400,-30,30,-65,80,3x^2+23x-14)}}}
========================
Cheers,
Stan H.
==========