Question

sa se calculeze! va rog ajutati-ma !

Answer 1

f(x)=3-2x
f(0)+f(1)+f(2)+...+f(6)
f(0)=3-2*0=3
f(1)=3-2*1=3-2=1
f(2)=3-2*2=3-4= -1
f(3)=3-2*3=3-6= -3
f(4)=3-2*4=3-8= -5
f(5)=3-2*5=3-10= -7
f(6)=3-2*6=3-12= -9
3+1+(-1)+(-3)+(-5)+(-7)+(-9)
=4-1-3-5-7-9
=-21