Question

Find f(1/4) when f(x)=2x^2+9x-7

Answer 1

$f (\frac{1}{4}) = 2( \frac{1}{4} ) + 9 (\frac{1}{4}) - 7$
$= \frac{2}{4} + \frac{9}{4} - 7$
$= \frac{2 + 9 - 28}{4}$
$f( \frac{1}{4} ) = \frac{17}{4}$