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zlopas [31]
3 years ago
12

Which of the following relations between input numbers and output numbers is not a function?

Mathematics
1 answer:
patriot [66]3 years ago
8 0

Answer:

B

Step-by-step explanation:

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its D

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How do i solve this question
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\bf \begin{cases}
h(x)=(f\circ g)(x)\\
h(x)=\sqrt{x+5}\\
f(x)=\sqrt{x+2}
\end{cases}\\\\
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(f\circ g)(x)\implies f[\ g(x)\ ]\implies f[\ g(x)\ ]=\sqrt{g(x)+2}\qquad thus
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\sqrt{g(x)+2}=(f\circ g)(x)=h(x)=\sqrt{x+5}\qquad therefore
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\sqrt{g(x)+2}=\sqrt{x+5}\impliedby \textit{squaring both sides}\\\\\\
g(x)+2=x+5\implies g(x)=x+5-2\implies \boxed{g(x)=x+3}
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If a pound of apples cost $2.90 how much would 2.4 lbs cost
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Mama L [17]
Triangles with a 90 degree angle. We use the sine, cosine and tangent functions to determine the missing angles and sides.
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the remains of an ancient ball court include a rectangular playing alley with a perimeter of about 48 M. the length of the alley
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Answer:

Length is 20 m and width is 4 m.

Step-by-step explanation:

Given:

Perimeter of the rectangular alley, P=48\textrm{ m}

Length is 5 times the width.

Let width be x.

So, as per question,

Length,l = 5x

Now, perimeter of rectangle is given as:

P=2(l+b)

Plug in 48 for P, 5x for l and x for b.

48=2(5x+x)\\48=2(6x)\\48=12x\\x=\frac{48}{12}=4

Therefore, width is 4 m.

Length is 5x=5\times 4=20 m.

8 0
3 years ago
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