Linear Vs Non Linear Functions (100) Points hi i need help with linear and non linear functions they need to be shown in all of the examples below

In a table
On a graph
In an equation
and in a set of ordered pairs

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle.what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle.what is the measure of angle a? enter your answer in the box.m∠a= 3.)quadrilateral abcd is inscribed in this circle.what is the measure of angle b? enter your answer in the box.m∠b= °4.)quadrilateral abcd is inscribed in this circle.what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle.what is the measure of angle c? enter your answer in the box.°

I’m really confused and need to learn this