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If f(x) = 1/3x − 2 and g(x) = −2x − 1, find (f • g) (9) . A) 19. B) −18. C) 0. D) −19
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Nov 12, 2017
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If f(x) = 1/3x − 2 and g(x) = −2x − 1, find (f • g) (9) . A) 19. B) −18. C) 0. D) −19
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Aditya Pratap Singh
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f · g = ( 1/3 x - 2 ) · ( - 2 x - 1 )
( f · g )( 9 ) = ( 1/3 · 9 - 2 ) · ( - 2 · 9 - 1 )=
= ( 3 - 2 ) · ( -19 ) = 1 · ( - 19 ) = - 19
Answer:
D ) - 19
Intuited
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Nov 16, 2017
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