Answer:
8x+8+5x+5+4x+14=180
17x+27=180
17x=180-27
17x=153
x=9
<a=4*9+14
=36+14
50
The function rule can be written as: f(x) = 2x-3
So, when we input 3, we replace all of the x's for 3's and have: f(3) = 2(3)-3.
This simplifies to be: f(3) = 3, meaning that 3 is the output.
Hope this helps!
2
Step-by-step explanation: