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finlep [7]
3 years ago
10

Which expressions is equivalent to 3x (2x– 3)?

Mathematics
2 answers:
Vesnalui [34]3 years ago
5 0

Hi ;-)

3x(2x-3)=3x\cdot2x-3x\cdot3=\\\\=\boxed{6x^2-9x}=\boxed{-9x+6x^2}

Stolb23 [73]3 years ago
3 0

3x(2x - 3) = 3x2x - 3x3 \\  = 6 {x}^{2} - 9x \\ thank \: you

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For each pair of functions f and g below, find f(g(x)) and g(f(x)).
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Answer:

a)  f(g(x)) = \frac{1}{2(\frac{1}{2x} )} = \frac{1}{\frac{1}{x} } } = x

    g(f(x)) = \frac{1}{2(\frac{1}{2x} )} = \frac{1}{\frac{1}{x} } } = x

    f and g are inverses

b)   f(g(x)) = x + 3 + 3 = x + 6

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b)

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Since f(g(x)) = g(f(x)) ≠ x, then f and g are not inverses

5 0
3 years ago
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