Answer:
Its a quadratic function
Step-by-step explanation:The formula concludes to a quadratic function.
Given:
The expression is
.
To find:
The position of parentheses inserted in the expression to get the value 19
Step-by-step explanation:
We have,

Now,




There are more ways to apply the parenthesis, but we do not get 19.



And many more possibilities.
Therefore, the expression after inserting the parentheses is
.
Answer:
3/4.
Step-by-step explanation:
There are 3 non leap years in every 4 year period so it s 3/4.