așa că nu sunt sigur ce vrei să spui ce este întrebarea?
Answer:

Step-by-step explanation:
x is the center of the circle.
the chord of length 12 can be splitted into two parts of 6 length each.
since the radius does not change when it touches another end of the circle, we can safely calculate our radius to be the hypotenuse of the triangle formed by the length of the chord and 3.
The explanation is given in the picture
Answer:
1st option
Step-by-step explanation:
given the graph of f(x) then the graph of f(x) ± c is a vertical translation of f(x)
• if - c then a shift down of c units
• if + c then a shift up of c units
then for f(x) + 4 is a shift up of 4 units
Answer:
9
Step-by-step explanation:
- Rewrite the problem
4x2-2(2)+5
2. Solve the problem. Do the multiplication first and then the subtraction and addition
8-2(2)+5
8-4+5
4+5
9
The final answer is 9