whats the value of f(-4) if f(x) = 14-|x2| please help =(?

0 ⤊

2007-09-05 02:01:17 · 2 answers · asked by squee 2 in Science & Mathematics ➔ Mathematics

just substitute x by -4...

f(-4) = 14-|(-4)^2|
= 14 - |16|
= 14 - 16
= -2

2007-09-05 02:10:20 · answer #1 · answered by Jocel B. Bartolay 2 · 0⤊ 0⤋

The abs.value has nothing to do as x^2 is always >=0
so f(x) = 14-x^2 and f((-4) =14-16=-2

2007-09-05 08:15:02 · answer #2 · answered by santmann2002 7 · 0⤊ 0⤋