Charge of the electrons. the electric current is produced when electron move from one position to another position.
Answer:
11
Step-by-step explanation:
f(x) = 3x^2
– 4x – 9
Let x = -2
f(-2) = 3 (-2)^2 -4(-2) -9
=3(4) +8 -9
=12 +8 -9
20-9
11
Answer is (d) P, Q , R
Any triangle has 3 vertices , after which its name is justified