What is the domain of g(x)=1-2x^2

2 answers:

8 0

The domain of this expression is all real numbers except where the expression is unidentified. In this case, there is no real number that makes this expression unidentified.

guapka [62]3 years ago

8 0

The domain is the set of all numbers that can be used such that when used, the function is defined

sometimes numbers that are restricted or make it undefined are values that make division by 0 or sqrt of a negative

we see that there is none of that going to happen so domain is all real numbers

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Aubree practices the piano 1197 minutes in 3 weeks. At what rate did she practice, in minutes per day?

Norma-Jean [14]

Answer:

Step-by-step explanation:

We need to create a ratio. so Aubree practices the piano for 1197 min: in 3 weeks. So for 1 week, we have to divide 1197 by 3, so 1197/=399. And so we know that 1 week is 7 days, just divide 399 by 7! 399/7=57. The rate that she practiced per day is 57 minutes. So one last final step just to check if this answer is correct is to divide 57 by 60, and that is 0.95. 0.95 out of 1.00 minutes per day is 95/100. Cross multiply with x/60, and you will get your answer, which is 57.

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Answer:

Step-by-step explanation:

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