Answer:
answer C
Step-by-step explanation:
because the plan view of a solid 3-D figure is the view from the top which would be 3 squares in a row which is exactly what is shown in answer C.
A closed line of credit seems to be c, A line of credit with a fixed total amount.

F(x)= 12 / (4x+2 )
f(-1) mean to replace x by (-1)
so, f(-1) = 12 /(-4+2)
f(-1)= 12/-2
f(-1) = -6