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Nitella [24]
2 years ago
11

If f (x) = 8 (5x - 2) find f (x)​

Mathematics
1 answer:
Pepsi [2]2 years ago
8 0

Answer:

f-1(x) = (x - 16)/40

B

Step-by-step explanation:

Call f(x) = y

Interchange x and y

x = (5y + 2)*8             Remove the brackets

x = 40y + 16               Subtract 16 from both sides

x - 16 = 40y                Interchange the left and right sides

40y = x - 16                Divide by 40

y = (x - 16)/40

f-1(x) = (x - 16)/40

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Is 26,341 divisible by 3?
shepuryov [24]

No.  26,341 is not evenly divisible by 3 .

Here's the trick you can use to decide this
just by looking at a big number:

==>               If a number is divisible by 3, then the
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I've never taken the trouble to figure out why this works,
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Is that cool or what !
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Answer:

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Step-by-step explanation:

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