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3 years ago

Find g(4) and f(g(4)) f(x)=x^2-x+1 g(x)= 3x-5

Mathematics

1 answer:

Ira Lisetskai [31]3 years ago

5 0

Answer:

g(4) = 7 and f(g(4)) = 43

Step-by-step explanation:

First find g:

g(x) = 3x-5

g(x) = 3(4) - 5

g(x) = 12 - 5

g(x) = 7

Plug in:

f(g(4))

f(7)

Now, find f:

7^2 - 7 + 1

49 - 7 + 1

42 + 1

f(x) = 43

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3 years ago

AB and DE are chords that intersect at point F inside circle C as shown. If the measure of arc EA= 50 degrees and the measure of

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Answer:

Part 1) $m\angle AFE=55^o$

Part 2) $m\angle EFB=125^o$

Step-by-step explanation:

Part 1) what is the measure of angle AFE

we know that

The measure of the interior angle is the semisum of the arches that comprise it and its opposite.

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$m\angle AFE=\frac{1}{2}(arc\ EA+arc\ DB)$

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$m\angle AFE=\frac{1}{2}(40^o+70^o)=55^o$

Part 2) what is the measure of angle EFB?

we know that

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substitute the given value

$55^o+m\angle EFB=180^o$

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3 years ago

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Answer:

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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