Answer:
i think its possibly 4
Step-by-step explanation:
Answer:

Step-by-step explanation:

Using rule of exponents 

Using rule of exponents 


To equalize the negative sign, we'll move t to the denominator

Answer:
f(x) = x(x-1)
Step-by-step explanation:
The easy way to do this is to look at it graphically. an inverse function is reflected across the line y=x. f(x)=x(x-1) is an upward opening parabola when reflected, there are two y-values for all positive values of x. A function can only have one y for every x.
Answer:
Step-by-step explanation: Go on answer.com if no one knows it on here. Hope this helps!!
Answer:
Infinitely many solutions
Step-by-step explanation: