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natita [175]
3 years ago
9

Please help i need it lol

Mathematics
1 answer:
KonstantinChe [14]3 years ago
5 0

Answer:

b

Step-by-step explanation:

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Let F(x)=3x-1 and g(x)=×+2. Findf(g(x)) and g(f(x))
Fofino [41]

Solution:

Given:

\begin{gathered} f(x)=3x-1 \\ g(x)=x+2 \end{gathered}

To find f(g(x)):

\begin{gathered} f(g(x))\text{ means substitute g\lparen x\rparen into f\lparen x\rparen} \\ f(g(x))=3(x+2)-1 \\ f(g(x))=3x+6-1 \\ f(g(x))=3x+5 \end{gathered}

Therefore, f(g(x)) = 3x + 5

To find g(f(x)):

\begin{gathered} g(f(x))\text{ means substitute f\lparen x\rparen into g\lparen x\rparen} \\ g(f(x))=(3x-1)+2 \\ g(f(x))=3x-1+2 \\ g(f(x))=3x+1 \end{gathered}

Therefore, g(f(x)) = 3x + 1

7 0
1 year ago
SOMEONE PLEASE HELP ME WITH THIS!!!!! ITS GEOMETRY
Fudgin [204]

Answer:

KG = 7 (A)

m KIH = 28 (B)

m JIH = 96 (D)

m HKI = 68 (B)

m KJI = 84 (C)

Step-by-step explanation:

Notice that the triangle HKJ is identical to HIJ. Since there are lines drawn to each other and both triangles are identical, the lines KG and GI are the same. This means that it is 7.

The triangle KGJ is identical with IGH. Using the recognise angle property, we know that angle JKI is the same as KHI. This means that it is 28.

Angle JIH is the same as angle JKH. Since JKH is 180 - (KHI or 84), we know that the angle JIH is 96.

We can find angle HKI by subtracting 96 by 28 because we know that angle HKI is the same as JIH. This gives us 96-2 8 = 68.

Angle KJI is the same as KHI which is 84. Therefore, KJI is also 84.

5 0
3 years ago
Can someone please explain it please: The jones family paid £1890 for their holiday with shark tours after a 12.5% surcharge was
Marat540 [252]

Answer: They originally thought they were paying £1680

Step-by-step explanation:

1680+12.5%1680= 1890

1680+210=1890

1890=1890

3 0
3 years ago
What is the answer of two plus two
FinnZ [79.3K]

Answer:

Two

Step-by-step explanation:

If you have one and added one you have two

4 0
3 years ago
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Denise sold 24 more dresses in January than in February and 10 fewer dresses in March than in January. In March she sold 28 dres
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Denise sold 14 dresses in February.
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3 years ago
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