Answer:
7
Step-by-step explanation:

Answer:
D
Step-by-step explanation:
When f(x) is equal to 0, x=4.
Answer:
7 units
Step-by-step explanation:
The formula for a circle is:
, where (x_1, y_1) is the center of the circle and r is the radius.
Right now, we see that r^2 = 49, so to find r, we square root 49 and get 7.
Thus, the answer is 7 units.
Hope this helps!
Answer: All of the numbers in the sequence are going up twice the amount as before. The next three terms will be 208, 416, 832