3 years ago

I need to factorize this equation: x³ + 4x² + x + 4

Mathematics

1 answer:

Svetach [21]3 years ago

5 0

Answer:

Step-by-step explanation:

(X+4) (x^2 +1)

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Is f(x)=3x5^2x-3 an exponential function? If so, write it in the form f(x)=ab^x

Anna11 [10]

Answer:

$f(x)=\frac{3}{125} * 25^x$

Step-by-step explanation:

Given

$f(x)=3*5^{2x-3}$

Required

To determine if it is an exponential function, we have to write in form of

$f(x) = ab^x$

If we're able to do so, then the function is an exponential function.

If otherwise, then it is not

$f(x)=3*5^{2x-3}$

Apply Law of indices

$f(x)=3*\frac{5^{2x}}{5^3}$

Express 5^3 as 125

$f(x)=3*\frac{5^{2x}}{125}$

Factorize the exponent of 5

$f(x)=3*\frac{5^{(2)x}}{125}$

Express 5^2 as 25

$f(x)=3*\frac{25^x}{125}$

This can be rewritten as:

$f(x)=\frac{3}{125} * 25^x$

By comparing the above to $f(x) = ab^x$

We have that

$a = \frac{3}{125}$

$b^x = 25^x$

Since, we've be able to express the function as $f(x) = ab^x$

Then, $f(x)=3*5^{2x-3}$ is an exponential function

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3 years ago

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Novay_Z [31]

Answer:

B) -2 degrees

Step-by-step explanation:

If the temperature went down 10 degrees the equation you need to use is 8-10=x.

Once simplified/solved you will get -2

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Answer:

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One of the largest pumpkin ever grown weighed about 3/4 ton how many pounds did the pumpkin weigh

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