Please help soon.
If f(x) = -2[x] + 8, what is f(-1 .8)?
A. 4
B. 6
C. 10
D. 12

Answer:
D. 12
Step-by-step explanation:
D is the closest answer. -2 multiplied by a -1.8 is a +3.6. Then, you add 8 to 3.6 and you will get 11.6. Therefore, the answer you will put is D or 12