Given:
The rule of input and output function is:
To find:
The answer if we put 19.
Solution:
Consider the input and output function is:
Substitute , we get
Therefore, the required answer is 6.
Answer:
When writing the equation keep in mind that 7 + x is said as a term that is squared so it has to be squared while it's still together; (7 + x)².
the answer i got was 0.214
