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abruzzese [7]
3 years ago
14

Determine the discrimamt for the quadratic equation 0= -2x2 + 3

Mathematics
1 answer:
JulsSmile [24]3 years ago
5 0
The discriminant for this equation is 24
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If f (x) = StartRoot x minus 3 EndRoot, which inequality can be used to find the domain of f(x)?
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Given:

The function is:

f(x)=\sqrt{x-3}

To find:

The inequality that is used to find the domain of the given function.

Solution:

We have,

f(x)=\sqrt{x-3}

We know that the radical functions are defined for only positive values of radicand.

It means the given function is defined if the value of (x-3) is greater than or equal to 0.

x-3\geq 0

Adding 3 on both sides, we get

x-3+3\geq 0+3

x\geq 3

The inequality x-3\geq 0 is used to find the domain of the given function and the domain of the given function is x\geq 3.

Therefore, the correct option is B.

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3 years ago
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saveliy_v [14]
Rx + 9 / 5 = h

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8 0
3 years ago
Sara got 98, 100, 65, 78, 98, 46, 100, 100, 45, and 50 on her reading test. Lee got 97, 67, 89, 99, 100, 45, 79, 89, 58, and 67
WINSTONCH [101]

Answer:

Saras Mean on her reading test is 78

Lee's Mean on his reading test is 79

Step-by-step explanation:

You add grades for Sara's test together and then you will divide by the= number of graded test there were and you will get 78.

You add Lee's Grades for the test together and divide by the number of graded test there were and you will get 79.

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Suppose a social networking site has roughly 1,000,000 users, and as each
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Answer:d

Step-by-step explanation:

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natulia [17]

Answer:

Letter B

9.16

...........

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4 years ago
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