Respuesta :

For odd function:
 f(x) = - f(-x). 

For function is even,
 f(x) = f(-x). 

using the above laws 
for odd function:
 f(4) = 9 = - f(-4)
f(-4) = -9
so the second  point is (-4,-9) 

for even function: f(4) = 9 = f(-4)
 so the second point is (-4,9)

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