the answer is pentagonal pyramid
Answer:
x=-5
Step-by-step explanation:
Normally it is x ininput and f(x)=y
solve for y and replace y with f(x)
minus 5x from both sides
2y=10-5x
divide both sides by 2
y=5-2.5x
f(x)=5-2.5x
Answer:
CDEF
Step-by-step explanation:
if the x value doesnt repeat then it is