Narrower/wider:In each set of function, write on the space provided as N if the function has narrowed graph opening than the other and We if the function has wider graph opening.

1.) y = 2x²
a = 2
: := N =: :
y = 20x²
a = 20
: := W =: :
2.) y = 4x²
a = 4
: := N =: :
x = 5x²
a = 5
: := W =: :
3.) y = 0.13( x + 7 )²
a = 6.37
: := N =: :
x = 0.23( x + 7 )²
a = 11.27
: := W =: :