Which of the following functions has an inverse that is not a function?
y= x
y= 2x+1
y=x^2

the y=x^2

Step-by-step explanation:

When you do inverses, you are also doing the inverse operation. The inverse y=x is y=x. The inverse of y= 2x+1 is y= 1/2x-1/2. How did I do that? You switch y and x in the equation and then solve for y.  y= 2x+1 turns into  x= 2y+1. Subtract 1, and then divide by two. (x-1)=2y---> 1/2x-1/2. But that is still a function, right?  Then we are brought to y=x^2. The inverse operation is square rooting. y= sqrt(x). When you try to graph something square rooted you get a sideways parabola. When you draw a sideways parabola, you can see that it fails the vertical line test- so that one is not a function. Hope that helps!

∠lno ≅ ∠lnm

∠oln ≅ ∠mln

step-by-step explanation:

given   that triangle lno is congruent to triangle lnm.

we have to fill up the blanks in the given question.

according to above order of congruency   kept in mind we can say that

∠lno ≅ ∠lnm

∠oln ≅ ∠mln

ln ≅ ln due to common in both.

hence, by sas congruency,

the side angle side rule   states that if two sides and the included angle of one triangle are congruent to another triangle, then these two triangles are congruent.

answer: y=4000x+14000

step-by-step explanation: