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Brrunno [24]
3 years ago
15

Which function is the inverse of function f? f(x)=9x^2-12

Mathematics
1 answer:
Allisa [31]3 years ago
5 0

Answer:

f−1(x)=√x+123,−√x+123

Step-by-step explanation:

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Find the measure of ∠EGC. Circle A with chords EF and CD that intersect at point G, the measure of arc EC is 50 degrees, the mea
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Answer:

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Step-by-step explanation:

we know that

The measure of the inner angle is the semi-sum of the arcs comprising it and its opposite

so

m∠EGC=(1/2)[arc EC+arc DF]

<u><em>Find the value of x</em></u>

we have

m∠EGC=(7x+7)°

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substitute and solve for x

(7x+7)°=(1/2)[50°+10x°]

14x+14=50+10x

14x-10x=50-14

4x=36

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substitute the value of x

m∠EGC=(7(9)+7)°=70°

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