Answer:
D
Step-by-step explanation:
Answer:
{2}
or
{b}
a subset is a part of the whole set.
The value of x is ±0.7071 and x is an irrational number
<h3>How to solve for x?</h3>
The equation is given as:
Divide by 4
Take the square roots
Hence, the value of x is ±0.7071
<h3>How to prove that x is irrational?</h3>
The equation is given as:
Take the logarithm of both sides
Divide both sides by log(4)
x = 1.16096....
The above number is a non-terminating decimal.
Non-terminating decimals cannot be represented as fractions of two integers
Hence, x is an irrational number
Read more about irrational numbers at:
brainly.com/question/17450097
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Answer:
1) -9
2) 10
3) -2
4) 9
Step-by-step explanation:
Simple mathematics
Note: -(- is a plus symbol, it also makes a + symbol as well...