2 is the only right answer. If it has right/left symmetry, then f(-x) = f(x), meaning it's even.
extra info: 3 and 4 are the same thing
5 works for odd functions (like sin(x))
Answer: A
explanation: the vertex in this graph is the lowest point, making it a minimum vertex. If it was the highest point, it would be maximum
56/2 = 28, so you can fit number 2 exactly 28 times in 56.
The answer is :his average is increase by 12
