Question

Considere a função f(x)=x^2-12x-3 determine:

A) f(2)
B) f(-5)
C) f(0)

Answer 1

A)
f(2)= 2^2-12x2-3
f(2)= 4 -24 -3
f(2)= -23
B)
f(-5)= (-5)^2-12x-5-3
f(-5)= 25+60-3
f(-5)= +82
C)
f(0)= 0^2-12x0-3
f(0)= -3