Activity D on a CPM network has predecessors B and C: and has successor F. D has duration 6. B's earliest finish is 18: while C's is 20. F's late start is 26. Which of the following is definitely true? a. D is critical and has zero slack.
b. B is a critical activity.
c. F is critical and has zero slack.
d. D has no slack but is not critical.
e. C is completed before B.

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation:

i don't know, but that looks pretty bad. my school passed us unless we failed in all the subjects, but idk abt ur school's rules.

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