The domain of y = 1/x2 is all numbers from -infinity to + infinity except zero. The range is all positive numbers from zero to +infinity, except +infinity.
1. Anything divided by itself always equals 1.
1
Give the domain for
all real numbers
The graph is a circle with a radius of 6, centered at the origin
Y = x squared -4x plus 3 is an equation of a function. It is neither called a domain nor a range.
1. Anything divided by itself always equals 1.
1
Give the domain for
all real numbers
The graph is a circle with a radius of 6, centered at the origin
22
14
Yes.
5
Yes.
The domain is what you choose it to be. You could, for example, choose the domain to be [3, 6.5] If the domain is the real numbers, the range is [-12.25, ∞).