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3 years ago

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One type of firework splits 5 times after it is fired into the air. The number of new bursts after each split can be modeled by

the function f (x ) = 2x where x is the number of times the firework splits. What is the domain of f ( x) in this context

2 answers:

kherson [118]3 years ago

5 0

Probably 5 because it only states 1 firework

lutik1710 [3]3 years ago

5 0

Answer:

All positive integers less than or equal to 5

(Imagine Math)

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Answer: $y^4$ + $\frac{-73}{35}y^2$ - $2$

Step-by-step explanation:

Use FOIL:

$y^4$ + $\frac{-14}{5}y^2$ + $\frac{5}{7}y^2$ + $\frac{-70}{35}$

Make $\frac{-14}{5}y^2$ and $\frac{5}{7}y^2$ have the same numerator:

$\frac{-14*7}{5*7}y^2 =\frac{-98}{35}y^2$

$\frac{5*5}{7*5} y^2=\frac{25}{35} y^2$

Then add like terms and simplify:

$y^4$ + $\frac{-98}{35}y^2$ + $\frac{25}{35} y^2$ + $\frac{-70}{35}$

$y^4$ + $\frac{-73}{35}y^2$ - $2$

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