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23-03-2018
Mathematics

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Complete the table below to solve the equation $2x + 12 = 4^x$

$x$ /$f(x)=2x+12$ /$g(x)=4^x$
−2 / /
−1 / /
0 / /
1 / /
2 / /

A x=0
B x=1
C x=2
D x=16

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Аноним Аноним

23-03-2018

2(2) + 12 = 4^(2)
4 + 12 = 16
16 = 16

only x = 2 will have f(x)=g(x) so x = 2 is answer

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