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Alexus [3.1K]
4 years ago
6

Simplify the expression 3x(4x^4 - 5x)

Mathematics
1 answer:
Soloha48 [4]4 years ago
7 0
3x (4x^4-5x)
add all of the numbers with a x to get
12x^4
and 12x^4=
20736x
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Novay_Z [31]

Answer:

a.

Step-by-step explanation:

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24 is your answer!

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3 years ago
For the real-valued functions, find the composition and specify its domain using interval notation.
Helen [10]

Answer:

Composition:   f(x)\,^o\,h(x)=4\,\sqrt{x+4} -1

Domain = { x\,/\,x\geq \,-4  }

Step-by-step explanation:

Given

f(x)=4\,x-1\,\,\, and \,\,\, h(x)=\sqrt{x+4}

The requested composition becomes:

f(x)\,^o\,h(x)=f(h(x))\\f(x)\,^o\,h(x)=f(\sqrt{x+4} )\\f(x)\,^o\,h(x)=4\,\sqrt{x+4} -1

Then the Domain consists of all Real x-values for which the function is defined. In this case, the function is defined for all x-values for which the square root is defined, that is all x values for which:

x+4\geq \,0  (so the square root is defined in the Real number system)

This means x\geq \,-4

The Domain is then all the Real x-values such that x\geq \,-4

6 0
3 years ago
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VashaNatasha [74]

Answer:

29

Step-by-step explanation:

x=22+7

x=29

8 0
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Answer:

(x)=3x^2−12x+16

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Step-by-step explanation:

Hope this helps :)

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3 years ago
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