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dmitriy555 [2]
3 years ago
15

If F(x) = 5x-7 and G(x) = -2x+9 , what is F(G(x))?

Mathematics
1 answer:
dybincka [34]3 years ago
7 0

Answer:

Step-by-step explanation:

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<em />

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Plssss help what is x
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x = 4

Step-by-step explanation:

If you do not want to read the explanation go the the next part in bold

Ok so the shorter leg of the triangle is a radius of the circle. ( This is indicated by the point in the middle of the circle.) for the hypotenuse we are given one part of the length (2) The other part also happens to be a radius ( remember that a radius is a line that starts from the center of the triangle to any point of the circumference. ) Also remember that the radius is equal to 3. That being said the hypotenuse = 2+3 which equals 5.  

This triangle then happens to be a right triangle. ( A triangle formed by a tangent line and a radius is a right triangle.) This means that we can use the Pythagorean theorem to solve for x.

Below here is where the work is shown

a² + b² = c². where a and b = legs and c = hypotenuse. We are given the hypotenuse (5) and a leg (3) So we plug in what we are given and solve for the missing information. 5² = 3² + b²  

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finally we want to get rid of the ²

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we're left with b = 4 which means that x = 4

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