Question

Dada a função f(x)=x²-x-12,calcule
a)f(-1)
b)f(0)
c)f(-3)

Answer 1

f(x)=x^2-x-12
a)f(-1)=(-1)^2-(-1)-12
f(-1)=1+1-12
f(-1)=-10

b)f(0)=0^2-0-12
f(0)=-12

c)f(-3)=(-3)^2-(-3)+12
f(-3)=9+3+12
f(-3)=24