4 years ago

If f(x)=x^2 and g(x)=x-3, what is (f•g) (x)

Mathematics

2 answers:

lesantik [10]4 years ago

7 0

Answer:

Step-by-step explanation:

motikmotik4 years ago

4 0

Answer:

x² - 6x + 7

Step-by-step explanation:

To evaluate (f ￮ g)(x), substitute x = g(x) into f(x), that is

f(g(x))

= f(x - 3)

= (x - 3)² - 2 ← expand factor using FOIL

= x² - 6x + 9 - 2

= x² - 6x + 7

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The sum of three consecutive even integers is 36. Let x represent the first integer, x + 2 represent the second integer, and x +

prisoha [69]

Let

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x+2---->the second even integer

x+3---->the third even integer

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solve for x

Combine like terms in the left side

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$3x+6=36$

therefore

<u>the answer is the option B</u>

$3x+6=36$

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