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zlopas [31]
3 years ago
13

F(x) = x2 + 3; g(x) = Square root of quantity x minus two. Find f(g(x)).

Mathematics
2 answers:
Anon25 [30]3 years ago
8 0
First we take the equation g(x) and plug it into x for f(x)
Step 1: F(g(x)) = (√(x) - 2)^2 + <span>3
</span>Step 2: F(g(x)) = x - 4<span>√(x) + 4 + 3
Step 3: F(g(x)) = x - 4</span><span>√(x) + 7</span>
daser333 [38]3 years ago
8 0
Substitute g(x) for the x in f(x)

f(x)=x^2+3 \\  \\ g(x) \sqrt{x-2} \\  \\ f(g(x))=( \sqrt{x-2})^2+3 \\  \\ f(g(x))=x-2+3 \\  \\ f(g(x))=x+1
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Reflect triangle ABC over the x-axis. Then translate the new triangle 5 units to the left. What are the coordinates of the verti
makvit [3.9K]

Hi there!

The answer to your question is B my explanation is below

The coordinates of the vertices of the final image will be:

A''(-6, 8), B''(-7, -2), and C''(0, -2)

Hence, option (B) is true.

Step-by-step explanation:

Given the triangle with the vertices

A(-1, -8)B(-2, 2)C(5, 2)We know that when we reflect a point across the x-axis, the x-coordinate remains the same, but the y-coordinate reverses its sign.

Thus,

The rule of reflection across the x-axis:

(x, y) → (x, -y)

so

A(-1, -8) → A'(-1, -(-8)) = A'(-1, 8)

B(-2, 2) → B'(-2, -2) = B'(-2, -2)

C(5, 2) → C'(5, -2) = C'(5, -2)

Then, translate the new triangle 5 units to the left

Rule of translating 5 units to the left

(x, y) → (x-5, y)

so

A'(-1, 8) → A''(-1-5, 8) = A''(-6, 8)

B'(-2, -2) → B''(-2-5, -2) = B''(-7, -2)

C'(5, -2) → C''(5-5, -2) = C''(0, -2)

Therefore, the coordinates of the vertices of the final image will be:

A''(-6, 8), B''(-7, -2), and C''(0, -2)

Hence, option (B) is true.

8 0
3 years ago
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Drag each set of side lengths to show whether they can or cannot make a triangle, or if there is not enough information to tell.
Svetach [21]

Answer:

D and E

Step-by-step explanation:

because the rule to make triangle is

a<b+c with a, b and c is the side of the triangle

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VikaD [51]

Answer:

2,000(1.04)t

Step-by-step explanation:

To determine this answer, you would use the formula initial value (1 + interest) times the number of years. This would equal 2,000(1.04)t.

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dianna made several cakes yesterday. each cake required 2 2/3 cups of flour. all together, she used 13 1/3 cups of flours. how m
Kay [80]

13 1/3 divided by 2 2/3

= 40/3 /8/3= 5

Hope that helps!


3 0
3 years ago
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Check the picture below.

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