Question

Se considera fuctile f, g:R-R, f(x) =5x+2,g(x)=3x-4.Sa se calculeze f(-1)+f(1)-g(-1)-g(1)​

Answer 1

Răspuns:

Explicație pas cu pas:

f(-1)=5*(-1)+2=-5+2=-3

f(1)=5*1+2=5+2=7

g(-1)=3*(-1)-4=-3-4=-7

g(1)=3*1-4=3-4=-1

atunci f(-1)+f(1)-g(-1)-g(1)=-3+7+7+1=12