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denis23 [38]
3 years ago
5

Evaluate -3x 3 - 4x for x = -1.

Mathematics
1 answer:
Ksju [112]3 years ago
7 0
Plug in -1 for x the solve the equation. 3 * -1 -4(-1) which equals 7
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<img src="https://tex.z-dn.net/?f=A%28x%29%3D3%5E2" id="TexFormula1" title="A(x)=3^2" alt="A(x)=3^2" align="absmiddle" class="la
kogti [31]
It is good equation. Look, that:
81 = 3 x 3 x 3 x 3 = 3^4.
So you have to solve:
3^x = 3^4 
exponents have to be the same, so
x=4
That's mean that A(4) = 81

5 0
2 years ago
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zmey [24]

Answer:

b = -17

Plug it in to find maybe correct answer if not sure next time.

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2 years ago
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3 years ago
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3 years ago
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Answer:

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