Assuming this is the equation you want to operate on:



Before final operation we have to assume that x is not equal to 0. :)
Answer: f(x)=1-1.9x=x-2
Step-by-step explanation:
Big brain time.
2.74x7.5=20.55=20.550
That's all of your answers.
4 + 4 + 4 - 1 = 11? Was it supposed to be an equation? I am confused.