Which function has a minimum and is transformed to the right and down from the parent function, f(x) = x2

Functions b) and d) have a minimum. other two have a maximum.
1st function: g(x)=4(  x²-  6  x+9  )+1= 4(  x  -  3  )² +1   - it is transformed to the  right and up from the parent function.
2nd function g(x)=8 (  x²  - 6 x + 9 ) -5 = 8  ( x - 3 )² - 5 - it is  transformed to the right and down.
answer: d) 

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