Find the Range f(x)=2x^2+28x-8

$f (x) = 2 x^{2} + 28 x - 8$

The range is the set of all valid $y$ values. Use the graph to find the range.

Interval Notation:

$[- 106, \infty)$

Set-Builder Notation:

${y | y \geq - 106}$