Answer:
44.159
Step-by-step explanation:
All you have to do is solve for x. See the following steps below.
Step 1. Subtract

from both sides

Step 2. Simplify

to

Answer:
15 bulbs are red.
Step-by-step explanation: Because 75 is 3 times as big as 25 so every 1 green light bulb 3 red light bulbs will be deflective.
Answer:
12
Step-by-step explanation:
Answer:
-- Another point

Step-by-step explanation:
Given


Solving (a): Another point
Substitute 1 for x and 8 for f(x) in 

Remove absolute bracket



Substitute 8 for a in 

Let x = -1

Remove absolute bracket


So, another point is:

Solving (b): The value of a
This has been solved in (a) above
