2 years ago

Help plz nd thank you (true or false questions) 1.) -19-2+54<12x97+-40 2.) x+1=1+x

1 answer:

6 0

Number one is 33 < 1118 so true and number two is infinite solutions so it would be true as well

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Viktor [21]

$\ln(4x+y)=2x-3$

Differentiate both sides wrt $x$ :

$\dfrac{\mathrm d(\ln(4x+y))}{\mathrm dx}=\dfrac{\mathrm d(2x-3)}{\mathrm dx}$

By the chain rule, we get

$\dfrac1{4x+y}\dfrac{\mathrm d(4x+y)}{\mathrm dx}=2$

$\dfrac{4+\frac{\mathrm dy}{\mathrm dx}}{4x+y}=2$

Solve for $\frac{\mathrm dy}{\mathrm dx}$ :

$4+\dfrac{\mathrm dy}{\mathrm dx}=8x+2y$

$\boxed{\dfrac{\mathrm dy}{\mathrm dx}=8x+2y-4}$

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frozen [14]

Answer

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lukranit [14]

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choli [55]

10+ (-2)= 8 9+(-1)=8

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Juli2301 [7.4K]

the 2 numbers are 8 and 40

40*2 = 80 +8 = 88

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2 years ago