Answer:
f-¹(x) = 2x – 8
f-¹(4) = 2(4) – 8 —> f-¹(4)= 8 - 8 =0
Answer:
I don't know what u mean but
Y=2
Answer:
1)
°
2)
°
Step-by-step explanation:
1)
As these two angles are supplementary (They add together to equal 180°) we can setup the equation and solve for x.

2)
Again, these two angles are supplementary we can setup the equation and solve for x

Answer:
28.
Step-by-step explanation:
Area = 1/2 ( 6 + 8) * 4
= 7 * 4
= 28.
Answer:
79 electrons
Step-by-step explanation:
If it has 79 protons it will have a total proton charge of 79 so tho make the charge zero we need to add (79) electrons .Mathematically (1*79)+(-1*79)=0