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svetlana [45]
3 years ago
12

30 points if you answer this question and please show work !!

Mathematics
1 answer:
worty [1.4K]3 years ago
5 0
I don't know what is between f(x) and g(x), so (for now) there are two posible answers:

1. f(x)g(x) = f(x)\cdot g(x) - function multiplication:

f(x)g(x)=(2x-3)\cdot(3x+8)=2x\cdot3x+2x\cdot8-3\cdot3x-3\cdot8=\\\\=6x^2+16x-9x-24=\boxed{6x^2+7x-24}

2. f(x)g(x)=f(x)\circ g(x) - function composition:

f(x)g(x) = f(x)\circ g(x) = f\big(g(x)\big)=2(3x+8)-3=2\cdot3x+2\cdot8-3=\\\\=6x+16-3=\boxed{6x+13}


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Jane cycled 32km, correct to the nearest km.
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Answer:

31.5

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32,4

Step-by-step explanation:

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The expression below is the factorization of what trinomial?
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The answer is:  [A]:   45x² + 81x + 36 .
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Explanation:  Use "FOIL" technique: (First, Outer, Inner, and Last Terms); 
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(5x+4)(9x+9) = 45x² + 45x + 36x + 35 = 45x² + 81x + 36 .
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15. The graph of a linear function, f(x), is shown below. If the line is translated 2 units
Leto [7]

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Step-by-step explanation:

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2 years ago
AB and BC are tangents of circle P. What is the value of x?
koban [17]
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7 0
3 years ago
Read 2 more answers
A DVD box set includes 3 thriller movies and 2 comidies. Use t to represent the cost of each thriller and c to represent the cos
suter [353]

Answer:

The expression representing the Total cost of 6 boxes is 6(3t + 2c).

The Simplified expression representing the Total cost of 6 boxes is 18t + 12c.

Step-by-step explanation:

Given:

Number of thriller movies = 3

Number of Comedy movies = 2

Let the cost of thriller movie be t

Also Let the cost of comedy movie be c

Total Number of boxes = 6

Now, given a DVD box set includes 3 thriller movies and 2 comedies.

Cost of Each box = 3t + 2c

We need to find the total cost of 6 boxes

Total Cost of 6 boxes is = 6(3t + 2c)

Hence the expression representing the Total cost of 6 boxes is 6(3t + 2c).

Simplifying the above expression we get;

Total Cost of 6 boxes is = 6(3t + 2c)= 6\times3t+6\times2c=18t+12c

Hence the Simplified expression representing the Total cost of 6 boxes is 18t + 12c.

3 0
3 years ago
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