If matt's average speed was 8 km/hr how far did he travel in 15 minutes
1 answer:
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we know that
To find how long are sections placed end to end
Multiply the number of sections by the length of one section
so
therefore
<u>the answer is</u>
There can be no negative in a sqrt
so x+1 must be equal or greater then 0
x+1
0
x -1
so all answers must be greater then or equal to -1
-1,0,1,2,3,4,5,6,7,8
(-1,infinity) is the domain
so x+1 must be equal or greater then 0
x+1
x
so all answers must be greater then or equal to -1
-1,0,1,2,3,4,5,6,7,8
(-1,infinity) is the domain