What type of function is f(x)=2(1/7)^x?

Mathematics

1 answer:

Archy [21]2 years ago

5 0

Answer:

B) Exp. Decay

Step-by-step explanation:

Because the term getting raised to a power is under 1, the function immediately starts going down and approaches negative infinity as x approaches infinity.

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Answer:

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Step-by-step explanation:

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vaieri [72.5K]

When you expand the equation, you will have
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Next you have to collect like terms
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A formula is expressed as D= a(2+kt). Express k in the terms of D, a and t? (Show work)

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$SIMPLIFIED \: \: ALGEBRA \\ \\ \\\\We \: are \: given \: - \\ \\ \: \\ D \: = \: a \: ( \: 2 + kt \: ) \\ \\ D \: = \: 2a \: + \: akt \: \\ \\ D \: - \: 2a \: = \: akt \: \\ \\ \frac{D \: - \: 2a}{at} \: = \: k \\ \\ \\ Therefore \: , \: in \: terms \: of \: D \: , \: \: a \:, \: \: and \: \: t \: \\ \\ k \: = \: \frac{D - 2a}{at \: } \: \: \: \: \: \: \: Ans.$

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