2 years ago

I need help......,.................

Mathematics

2 answers:

Reptile [31]2 years ago

7 0

The answer is B

everyone should know this

Alexxandr [17]2 years ago

4 0

Answer:B

Step-by-step explanation:

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If f(x) =1/x and g(x) = x - 2 what is f(g(x)) when X = 1

Fed [463]

Answer:

f(g(x)) = -1

Step-by-step explanation:

$f(x) = \frac{1}{x} \\ \\ g(x) = x - 2 \\ \\ \implies \: f(g(x)) = \frac{1}{x - 2} \\ \\ \implies \: f(g(1)) = \frac{1}{1 - 2} \\ \\ \implies \: f(g(1)) = \frac{1}{ - 1} \\ \\ \implies \: f(g(1)) = - 1$

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Alex_Xolod [135]

Answer:

Step-by-step explanation:

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2 years ago

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blagie [28]

Answer:

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Step-by-step explanation:

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2 years ago

If m + n = 7 and 2n - 3m = 6, what is the value of 3n - 2m ?

S_A_V [24]

Since m + n = 7 we know m = 7-n. So now we have 2n - 3(7-n) = 6. From this we get n = -3. So now we know m - 3 = 7 so m = 10. So now we have 3(-3) + 2(10) = ? and this comes out as 11

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2 years ago

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Tim's phone service charges $23.22 plus an additional $0.18 for each text message sent per month. If Tim's phone bill was $27.72

Maksim231197 [3]

Step-by-step explanation:

$27.72-$23.22=$4.50

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x=25

So Tim sent 25 messages last month.

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