Question

Please help soon.

If f(x) = -2[x] + 8, what is f(-1 .8)?

A. 4
B. 6
C. 10
D. 12

Answer 1

D. 12

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