// please answer // --> provide details if its necessary

C

Step-by-step explanation:

is the same as the ratio 1:3, and this is the ratio of the measure of arc QR and the circle.

The measure of arc QR is 120 degrees, which is a third of the circle measure, 360.

So, 1:3 is the ratio between these measures, 120:360

step-by-step explanation:

to find if any function is an inverse of the other, put the first equation in as x in the next one. then simplify and solve. if at the end you get the statement y = x, then it is an inverse. if you get anything else, it is not.

[2, 2.5)

(2.5, 3]

step-by-step explanation:

i think its these two not sure [2, 2.5)

(2.5, 3]