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REY [17]
2 years ago
9

Let f(x)=x2 -4x and g(x) =7-x find (fg)(2)

Mathematics
1 answer:
marta [7]2 years ago
6 0

Step-by-step explanation:

f(x) = x² - 4

g(x) = 7 - x

= (fog)(2)

= x² - 4

= (7 - x)² - 4

= (7 - 2)² - 4

= 5² - 4

= 25 - 4

= 21

(fog)(2) = 21

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