Question

NEED HELP WITH THIS ONE-TO-ONE FUNCTION MATH PROBLEM (PIC INSERTED)

Answer 1

any vertical parabola is not a one-to-one function.

Answer 2

click my attatchment

Answer 3

just look at the question

Answer 4

yes, it is a concave downward parabola.

Answer 5

hmmm

Answer 6

so what do i do??

Answer 7

first i have to put the inverse of this equation , so do i just flip around the numerator and denominator?

Answer 8

o pellet i posted the wrong question

Answer 9

lemme post the right one

Answer 10

why do you need to do that?
it just comes from the definition of on-to-one function.

Answer 11

ohk, fine..i get it
first of all, find the inverse of the function.

Answer 12

okay, and do i do that by just swapping the numerator and denominator

Answer 13

or switching the signs ... or both?

Answer 14

\[y=\frac{ x }{ -4-9x }\]
the above equation is y in terms of x.
solve for x in terms of y.

Answer 15

now interchange x and y.
what do you get?