\left[x \right] = \left[ 0\right][x]=[0]
Answer:
D
Step-by-step explanation:
P,Q, and R are point so vertices
Answer:
Relation 3 is a function and Relation 4 is nog
Answer:
it have no answer in real number(but it have in complex number if you know)
Step-by-step explanation:
4x^2+36=0
4x^2=-36
(if you know complex numbers see this: x^2=-9 then

)
3(x+2)+11>20
minus 11 both sides
3(x+2)>9
divide both sides by 3
x+2>3
minus 2 both sides
x>1