How do you evaluate #f(x) = -2x^2-4# for #x=3#?
1 Answer
Jan 28, 2017
Explanation:
To evaluate f(3), substitute x = 3 into f(x)
#rArrf(color(red)(3))=-2(color(red)(3))^2-4#
#=(-2xx9)-4=-18-4=-22#
