Answer:

Step-by-step explanation:
attached
Answer:
-37/99 is the simplest form. Hope this helps.
Answer:
6.50
Step-by-step explanation:
15.75-9.25=6.5
Answer:
Step-by-step explanation:
The mapping rule is another form used to express a quadratic function. The mapping rule defines the transformations that have occurred to the base quadratic function \begin{align*}y=x^2\end{align*}
To solve this we are going to use the unitary circle and the fact that

From our circle we can infer that

and

.
Since

,

We can conclude that 
.