Please help, show your work and explain. Please and thank you!
Note: Use functions
![Please help show your work and explain Please and thank youNote Use functions class=](https://us-static.z-dn.net/files/dd2/570dde1efc9912aef5f32dc2abf93d3a.png)
Answer:
7
Step-by-step explanation:
The rule of the mapping is 2x-1
Plug 4 for x in the rule
2•4-1=7