What is 2/5 of 9? my answer is 18/5 can you simplify improper fractions in this case with these problems or no?

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit

Find the value of x. give reasons to justify your solutions! l, m ∈ kn