How does x/2-12=-14 I don’t understand where the negative comes from

1 answer:

4 0

Solve x by simplifying both sides of the equation & then isolating the variable x=-4 & the negative comes in from the -12

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Which number is a factor of 24, but not a multiple of 2

Montano1993 [528]

A factor of 24 but not 2 it would be 3

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3 years ago

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5y-8=x<br> 3y-4=x<br><br> please need help

jarptica [38.1K]

First, you set up the equation which would be 5y-8=3y-4.
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The curve with equation y=e^2x/4+3e^x has one stationary point.find the exact value of the coordinates of this point

Softa [21]

$y=\dfrac{e^{2x}}{4+3e^x}$
$\implies y'=\dfrac{2e^{2x}(4+3e^x)-3e^xe^{2x}}{(4+3e^x)^2}$
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Stationary points occur where the derivative is zero. The denominator is positive for all $x$ , so we only need to worry about the numerator.

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$e^{2x}>0$ for all $x$ , so we can divide through:

$8+3e^x=0\implies e^x=-\dfrac83$

But $e^x>0$ for all $x\in\mathbb R$ , so this function has no stationary points...

I suspect there may be a typo in the question.

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If f(x) = -x + 8 and g(x) = x^4, what is (gºf)(2)?

kotykmax [81]

Answer:

$\large\boxed{(g\circ f)(2)=1296}$

Step-by-step explanation:

$(g\circ f)(x)=g\bigg(f(x)\bigg)\\\\f(x)=-x+8,\ g(x)=x^4\\\\(g\circ f)(x)=\g\bigg(f(x)\bigg)=(-x+8)^4\\\\(g\circ f)(2)\to\text{put x = 2 to the equation}\ (g\circ f)(x):\\\\(g\circ f)(2)=(-2+8)^4=(6)^4=1296$

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3 years ago

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lutik1710 [3]

Answer:

36x - 24 / 12 = 3x-2 I think

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3 years ago