
Step-by-step explanation:
So we go backwards, since we have x= 1/2 , 7

Now we have to foil to get the quadratic

We must simplify the terms

Our final result comes out to be

The last one is the answer.......
Answer:

The graph in the attached figure
Step-by-step explanation:
Let
x-----> money that Tasha can spend on new boots
we know that
The inequality that represent the situation is equal to

The solution is the interval--------> (40,∞)
All real numbers greater than 40
In a number line the solution is the shaded area to the right of the dashed line at 40 (open circle)
see the attached figure