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blagie [28]
2 years ago
11

HELP QUICK i need to turn this in in 20 mins

Mathematics
1 answer:
tia_tia [17]2 years ago
4 0
25 for the PS ARC ANGLE
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How to find domain and range of a function
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Answer:

The domain is found depending on the information you're given. In a table, the domain is found by taking all the x values given and listing them least to greatest. Same with ordered pairs. In a graph, the domain is found by first seeing if there are any restrictions and then find the x values that work and have one output.

The range is found the same way, but with the y values.

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What is the solution of the following question?<br> x^2+10x+25=12
zalisa [80]
Make equal to 0
minus 12from both sides
x^2+10x+13=0
we can't factor so use quadratic formula

x= \frac{-b+/- \sqrt{b^{2}-4ac} }{2a}
x= \frac{-10+/- \sqrt{10^{2}-4(1)(13)} }{2(1)}
x= \frac{-10+/- \sqrt{100-52} }{2}
x= \frac{-10+/- \sqrt{48} }{2}
x= \frac{-10+/- 4\sqrt{3} }{2}
x= -5+/- 2\sqrt{3}


x= -5+ 2\sqrt{3} or -5- 2\sqrt{3}

aprox
x=-1.5359 or -8.4641





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3 years ago
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1 A is correct, 2 D is correct, 3 D is correct, 4 B is correct

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