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Digiron [165]
3 years ago
9

Find f(-5) if f(x)=|x+1|

Mathematics
2 answers:
Grace [21]3 years ago
7 0
F(x)=|x+1|
f(-5)=|-5+1|
f(-5)=|-4|
f(-5)=4. As a result, f(-5)=4 is the correct answer. Hope it help!
Stella [2.4K]3 years ago
3 0

Answer:

f(-5)=4

Step-by-step explanation:

we have

f\left(x\right)=\left|x+1\right|

we know that

f(-5) is the value of the function for the value of x=-5

so

Substitute the value of x=-5 in the function

f\left(-5\right)=\left|-5+1\right|

f\left(-5\right)=\left|-4\right|=4

f(-5)=4

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Which is it? , 30 points
goldenfox [79]

Answer:

It's choice B.

Step-by-step explanation:

Let's look the one you have chosen (A):

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x- 2 = 7(f(x) - 8)

x = 7(f(x) - 8) + 2

The inverse)= 7(x - 8) + 2

So it's not A.

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Marina86 [1]

Answer:

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Step-by-step explanation:

Lets write this as an equation first. We'll substitute the number for the variable <em>x</em>.

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First, let's add 3x to both sides.

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Next, let's subtract 8 from both sides.

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Finally, let's divide both sides by 8.

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<em>"x" is 9.</em>

<em>So the secret number is 9.</em>

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