Answer:
Step-by-step explanation:
+7-1
The answer is a.0
Concentric means these circles would have the same center, thus, the smaller circle must be inside the bigger circle. Any tangent line to the smaller circle wont be a tangent line to the bigger circle, since that tangent line would intersect at the bigger circle at 2 points. Any tangent line to the big circle will not touch the small circle... so the answer would be 0.
Answer:
-4, -2, -3-2i, -3+2i
Step-by-step explanation:
The of the polynomial equation are those values of x, for which f(x)=0.
Consider equation

By zero product property,

Solve each equation:
1. 

2. 

The product of this equation is 21 when the values of X and Y are imputed into the equation.
Answer:
4
Step-by-step explanation:
g(x) is the graph. g(3) is where the graph has a value of 3 for x.