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Roman55 [17]
3 years ago
5

Seven subtracted from three times a number is -4

Mathematics
1 answer:
Fynjy0 [20]3 years ago
7 0
X - the number

3x - 7 = -4    |add 7 to both sides

3x = 3    |divide both sides by 3

x = 1
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Read 2 more answers
Which exponential function goes through the points (1,8) and (4,64)?
vova2212 [387]
Plug in (4,64) into each answer choice.

A) 4(2)^x
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Answer choice A is correct.

B) f(x) = 2(4)^x
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Answer choice B is incorrect.

C) f(x) = 4(2)^{-x}
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Answer choice C is incorrect.

D) f(x) = 2(4)^{-x}
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Answer choice D is incorrect.


Your answer is B<span>) f(x)=2(4)^x</span>
4 0
3 years ago
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