Respuesta :
Option C is the correct answer.
Step-by-step explanation:
Here we need to evaluate –x + 2.7 for x = 0.9.
That is f(x) = –x + 2.7 and we need to find f(0.9).
f(x) = –x + 2.7
f(0.9) = –0.9 + 2.7
f(0.9) = 2.7 - 0.9
f(0.9) = 1.8
Option C is the correct answer.