1/3 ≥ y
In summary, D(x) = {xER | x= 0} and the Range is {y e Rly ≤ 1/3}.
Activity. Write True if the statement is correct and if it is False, change the
underlined word/number to make it correct. Write your answer before
each number.
1) The range of the function is the set of all values that f(x) will take.
2) The domain of the function is the set of
all the variable x can take
or
the set of values for which the function is defined.
X
5
5x+10 is all real number except 10
3) The domain of the function f(x)
4) In a rational function, the numerator must not be a zero function.
4x-9
is all real number
except
5) The range of the function f(x)=
7x
​