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Setler [38]
3 years ago
11

True or False?In Exercise,determine whether the statement is true or false given that f(x) = In x.if it is false,explain why or

given an example that shows it is false.
if f(x) < 0, then 0 < x <1.
Mathematics
1 answer:
Kay [80]3 years ago
7 0

Answer:

True

Step-by-step explanation:

This is true. Because ln x is determined that if f(x) = lnx then

e^{f(x)} = x

So if f(x) < 0, negative then

e^{f(x)} = \frac{1}{e^{-f(x)}}

where -f(x) is positive and

e^{-f(x)} \geq 1 and positive

So \frac{1}{e^-f(x)} < 1and positive

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3. The sum of three consecutive numbers<br> is 42. What are the numbers?
Zanzabum

Answer:

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Step-by-step explanation:

n + (n + 1) + (n +2) =42

n + n + n + 1 + 2 = 42

3n + 3 = 42

(subtract 3 from both sides)

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(divide both sides by 3)

n = 13

(solve)

n + (n + 1) + (n +2) =42

13 + (13 + 1) + (13 + 2) = 42

13 + (14) + (15) = 42

13, 14, 15

(Hope this helps, have a nice day!)

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