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Ivanshal [37]
2 years ago
7

HELP PLEASEIWJDO!NWDIOJQWILD

Mathematics
1 answer:
user100 [1]2 years ago
8 0

Answer:

5.66

Step-by-step explanation:

(-1,-3) (-5,1)

√(x2 - x1)² + (y2 - y1)²

√[-5 - (-1)]² + [1 - (-3)]²

√(-4)² + (4)²

√(16) + (16)

√32

= 5.66

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If {X)= x-9 and d(x) = x + 3, what is the domain of (cd)(x)?​
Aleonysh [2.5K]

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5 0
3 years ago
please help! functions and relations. f(x)= square root of x-4. find the inverse of f(x) and it’s domain.
likoan [24]

ANSWER:

\:D.\text{ }f^{-1}\left(x\right)=\left(x+4\right)^2;x\ge-4

STEP-BY-STEP EXPLANATION:

We have the following equation:

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The inverse is the following (we calculate it by replacing f(x) by x and x by f(x)):

\begin{gathered} x=\sqrt{f^{-1}(x)}-4 \\  \\ \sqrt{f^{-1}(x)}=x+4 \\  \\ f^{-1}(x)=(x+4)^2 \end{gathered}

The domain would be the range of the original equation, and it would be the range of values that f(x) could take, which was from -4 to positive infinity, that is, f(x) ≥ -4.

Therefore, the domain is x ≥ -4.

So the correct answer is D.

\:f^{-1}\left(x\right)=\left(x+4\right)^2;x\ge -4

4 0
9 months ago
When asked to find the value of x for
Korolek [52]

Answer and Step-by-step explanation:

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7 0
2 years ago
Which fraction is equivalent to 56%?
HACTEHA [7]
14 / 45

56 / 100 reduces to 14 / 45
5 0
3 years ago
Read 2 more answers
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