Ellie bought a pair of jeans on sale for 15% off. If the jeans were originally $35, how much did she save?
2 answers:
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we can use properties of functions to find this out
for
if b is even, then the ends of the function go in the same directions (both up or both down)
if b is odd, then the ends of the function go in different directions (one up and one down)
if a is positive and b is even, then both ends point up
if a is positve and b is odd, then it goes from bottom left to top right
if a is negative and b is even, then both ends point down
if a is negative and b is odd, then it goes from top left to bottom right
given
a=5>0
b=4 which is even
so it has both ends pointing up
bottom right graph is yo answer