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REY [17]
3 years ago
9

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

Mathematics
1 answer:
marta [7]3 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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Colt1911 [192]
This is the Pythagorean theorem where the 2 legs of a triangle squared add up to equal the squared hypotenuse (a^2 + b^2 = c^2)

The equation would be
12^2 + 5^2 = x^2

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3 0
3 years ago
HI I NEED HELP WITH THIS!!! SOMEONE ANSWER ASAP PLS
padilas [110]
10
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3 years ago
2. Jay earns $18.40 per hour. He normally works 40 hours n a week. He was 8 points
NemiM [27]

Answer:

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3 years ago
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son4ous [18]

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4 0
3 years ago
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Answer:

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