3 years ago

Ftyfrtutdfgherggb Hi

Mathematics

1 answer:

juin [17]3 years ago

8 0

Answer:

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svp [43]

A 80 square meter I’m not quite sure

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2 years ago

Find (f • g) when f(x) = x^2 + 5x + 6 and g(x) = 1/x+3

Nikitich [7]

Answer:

option D

Step-by-step explanation:

$f(x) = x^2 + 5x + 6$

$g(x)= \frac{1}{x+3}$

(fog)(x) = f(g(x))

Plug in g(x) in f(x)

We plug in 1/x+3 in the place of x in f(x)

$f(g(x))= f(\frac{1}{x+3})= (\frac{1}{x+3})^2 + 5(\frac{1}{x+3}) + 6$

To simplify it we take LCD

LCD is (x+3)(x+3)

$\frac{1}{(x+3)(x+3)}+5\frac{1*(x+3)}{(x+3)(x+3)}+\frac{6(x+3)(x+3)}{(x+3)(x+3)}$

$\frac{1}{x^2+6x+9}+\frac{(5x+15)}{x^2+6x+9}+\frac{6x^2+36x+54}{x^2+6x+9}$

All the denominators are same so we combine the numerators

$\frac{1+5x+15+6x^2+36x+54}{x^2+6x+9}$

$\frac{6x^2+41x+70}{x^2+6x+9}$

Option D is correct

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3 years ago

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What is the slope of the line through the points (-2, -1) and (8, -3)

KiRa [710]

Answer:

The slope of the line through the points (-2,-1) and (8,-3) is -0.2. Have a nice day and hope this helps.

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3 years ago

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A square postage stamp has area 1,130 mm². About how long is each side?

Anna007 [38]

Answer:

33.61 mm (the square root of 1130)

Step-by-step explanation:

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2 years ago

F(x)=4x squared −7x+7, Find f(2)

Lana71 [14]

Answer: 9

Step-by-step explanation:

4x²-7x+7 f(2)=4*(2)^2-7(2)+7=16-14+7=9

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2 years ago