As written, the denominator in both fractions is x, so the only restriction on the domain is ... x ≠ 0.
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We suspect you intend ...
... f(x) = 2/(x-4) +1/(x+2)
which is undefined when x = 4 or x = -2.
The domain is all real numbers except -2 and 4.
Answer:

Step-by-step explanation:
Given


Required
Determine the average speed
This is calculated as thus:

Convert time to hour:









Answer:
True
Step-by-step explanation:
1.45 the 5 is equal/above it so it is true
The volume of the cone is approximately 8.2 inches cubed
23. 90
24. Games 1-5 had an average of 8 and games 6-10 had an average of 11, so games 6-10 had an average greater than games 1-5 by 3 points.
25. 168