Below is the graph of 𝑦=𝑓𝑥=0.21𝑥3+310𝑥2+𝑥−2
Use Desmos to obtain a graph of 𝑓(𝑥). It should look like the graph shown below.
Roughly sketch what you believe the graph of 𝑓−1𝑥 would look like.
Using Desmos, find the 𝑦-intercept of 𝑓−1𝑥 
Then, find the 𝑥-intercept of 𝑓−1𝑥