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Let f(x,y)=x2+3xy7x8f ( x , y ) = x ^ { 2 } + 3 x y - 7 x - 8

Question 28

Multiple Choice

Let f(x,y) =x2+3xy7x8f ( x , y ) = x ^ { 2 } + 3 x y - 7 x - 8 . Find f(2h,3k) f ( 2 h , 3 k ) .
Select the correct answer.


A) 9h2+18hk21h89 h ^ { 2 } + 18 h k - 21 h - 8
B) 4h2+18hk21h84 h ^ { 2 } + 18 h k - 21 h - 8
C) 4h2+18hk14h84 h ^ { 2 } + 18 h k - 14 h - 8
D) 6h2+18hk42h486 h ^ { 2 } + 18 h k - 42 h - 48

Correct Answer:

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