The function is $f(x) = 2 \cdot 5^{x}$ , which means that an increase of a unit in x leads to a multiplicative rate of change of 5 in y. For instance:

$f(1) = 2\cdot 5^{1}$

$f(1) = 10$

$f(2) = 2 \cdot 5^{2}$

$f(2) = 2 \cdot 5\cdot 5$

$f(2) = 50$

$f(2) = f(1) \cdot 5$

$f(3) = 2\cdot 5^{3}$

$f(3) = 2 \cdot 5\cdot 5 \cdot 5$

$f(3) = f(2) \cdot 5$

Therefore, it is proven that:

$f(n) = 5 \cdot f(n-1)$

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Excerpt from A Gigantic Feat

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Answer:

D.)fearful yet struggling to be brave.

Explanation:

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Songay will invile Perna. 2.write in passive voice

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Answer:

Active Voice:

Songay will invite Perna.

Passive Voice:

Perna will be invited by Songay. (No change in tense in voices)

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What does the expression "the autumn of life" refer to?

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The "autumn of life" refers to D. Old age

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