a^2 + b^2 =c^2
1^2 + 2^2 = 1+4 = 5
so no it doesn't make a right triangle
answer: im gonna go with milli
step-by-step explanation:
zero
f(2)= x-2
plug in the 2 in the "x"
f(2)=2-2
f(2)=0