She will spent a total of $5.55 left because she will be able to buy 4 packs of cookies
There is supposed to be a graph with this question so I wouldn’t be able to answer
Answer:
1) y = -f(x) (This is the reflection about the x-axis of the graph y = f(x).) That is for every point (x, y) there is a point (x, -y). Look at the example graphs below of y = x2 and y = -x2. Notice the green graph is simply the same as the blue graph folded down
