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Anna [14]
3 years ago
12

Given that f(x) = x² + 6x and g(x) = x + 9 calculate a) f•g (4) = B) g•f (4) =

Mathematics
1 answer:
lions [1.4K]3 years ago
3 0

Answer:

247

49

Step-by-step explanation:

a) f•g (4) =

f•g (x) =  f(g(x)) = (x + 9)^2 + 6(x + 9)

f•g (4) =  (4 + 9)^2 + 6(4 + 9)

= 13^2 + 6(13)

= 247

B) g•f (4) =

g•f (x) = g(f(x)) = x^2 + 6x + 9

g•f (4) = 4^2 + 6(4) + 9

= 16 + 24 + 9

= 49

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2 years ago
4# is a two digit number ,where # represents the digit at ones place . 7999 ÷ 4# lies between ---------
Hitman42 [59]

Answer:

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Given

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Colton has a stone paperweight composed of a triangular pyramid on top of a triangular prism with the dimensions shown below. Us
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