Question

solve for f (-3) for f (x) = 1 -x
f (-3) = [ ? ]

Answer 1

f(x) = 1 - x
f(-3) = 1 - (-3)
f(-3) = 4

Answer 2

$f(-3) = 1 -(-3) = 1+3 = 4$

Hope this helps !

Photon