3.) f(x)=-2(x+1)^2+3
Domain: (- infinity, infinity)
Range:(-infinity,3]
Vertex: (-1,3)
Axis of symmetry: x=-1
Opens downward
4.) f(x)=9(x-2)^2-3
D:(-infinity, infinity)
R: [-3,infinity)
Vertex: (2,-3)
Axis: x=2
Opens upward
6.)
D:(-infinity, infinity)
R:(-infinity,0]
Vertex: (5,0)
Axis: x=5
Opens downward
25 and 65 because 90 and 90 makes a square
Any number that can be rewritten as a simple fraction is a rational number. This means that natural numbers, whole numbers and integers, like 5, are all part of the set of rational numbers as well because they can be written as fractions, as are mixed numbers like 1 ½.
Answer:
Numbers that never end and don't repeat either. In definition, an irrational number is a number that cannot be written as a simple fraction.
Step-by-step explanation:
Examples of irrational numbers are:
*All square roots of natural numbers, except perfect squares, are irrational.:
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*Pi is an irrational number
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D. -2 is the correct answer
