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Let f(x,y)=x2+3xy−5x−7f ( x , y ) = x ^ { 2 } + 3 x y - 5 x - 7

Question 120

Multiple Choice

Let f(x,y) =x2+3xy−5x−7f ( x , y ) = x ^ { 2 } + 3 x y - 5 x - 7 Find f(3h,4k) f ( 3 h , 4 k )


A) 12h2+36hk−60h−8412 h ^ { 2 } + 36 h k - 60 h - 84
B) 9h2+36hk−20h−79 h ^ { 2 } + 36 h k - 20 h - 7
C) 16h2+36hk−20h−716 h ^ { 2 } + 36 h k - 20 h - 7
D) 9h2+36hk−15h−79 h ^ { 2 } + 36 h k - 15 h - 7

Correct Answer:

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