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EastWind [94]
2 years ago
11

If f(x)= x^1/2 - x and g(x)= 2x^3 - x^1/2 - x, find f(x) - g(x)

Mathematics
1 answer:
Pavlova-9 [17]2 years ago
3 0

Answer:

-2x^3+2x^{1/2}

Step-by-step explanation:

First, you have to substitute both functions into the equation to get:

f(x)-g(x) = (x^{1/2}-x) - (2x^3-x^{1/2}-x)

Then, you distribute the negative sign in front of g(x) to get:

= x^{1/2} - x -2x^3+x^{1/2}+x

And finally, you add/subtract the x's that have the same power to get:

=-2x^3+2x^{1/2}

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Mazyrski [523]
7x + 9y = - 27_________eq1
3x - y = 3__________eq2
Multiply eq 2 by 9 and then add the resulting eq with eq1.

eq2 x 9 gives us   27x - 9y = 27___________eq3
 
add eq3 with eq1 we get.
34x = 0.
where x=0/34
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3 years ago
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Sergio [31]

Answer:

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Step-by-step explanation:

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3 years ago
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I'm not gonna give the answer because you have to solve it. Sorry. But I'll help you get it.

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morpeh [17]

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Step-by-step explanation:

If Rhonda has $13 and she has a $5 bill and 3 $1 bills, then she has

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Rzqust [24]

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Step-by-step explanation:

Their sum is 180, so

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