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3 years ago

Could this be considered an equation? If yes, would the answer provided be correct?

Mathematics

1 answer:

ella [17]3 years ago

8 0

Answer:

<h2>This does not represent an equation.</h2>

Step-by-step explanation:

When the numbers of the correspondent letters are counted in the given question, then it equals with the numbers that is given in the answer section.

But there could be a difference between Z and z, W and w.

Hence, it can not be an equation.

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Answer:

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Step-by-step explanation:

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Scrat [10]

Answer:

Step-by-step explanation:

<u>Put input value instead of the x into equation and calculate the output:</u>

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2 years ago

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exis [7]

Answer:

$\large\boxed{B.\ f(x)=4^x}$

Step-by-step explanation:

Exponential function $f(x)=(a)^x$ is

increasing if $a > 1\to a\in(1,\ \infty)$

decreasing if $0 < a < 1\to a\in(0,\ 1)$

$A.\ f(x)=\left(\dfrac{1}{4}\right)^x\to a=\dfrac{1}{4}\in(0,\ 1)\to\text{decreasing}\\\\B.\ f(x)=4^x\to a=4\in(1,\ \infty)\to\text{increasing}\\\\C.\ f(x)=(0.4)^x\to a=0.4\in(0,\ 1)\to\text{decreasing}\\\\D.\ f(x)=\left(\dfrac{1}{2}\right)^x\to a=\dfrac{1}{2}\in(0,\ 1)\to\text{decreasing}$

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