The answer is number 1 since a function can't have x repeated. all the other ones have a single x giving 2 numbers. if this happens once it is no longer a function.
Answer:
If equal to 90 x is 4
Step-by-step explanation:
Let's simplify step by step
2/9x+2/7+1/3x1/7
Combine Like Terms:
=2/9x+2/7+1/3x+1/7
=(2/9x+1/3x)+(2/7+1/7)
=5/9x+3/7
Answer
=5/9x+3/7
Hope this helps :)
Answer:
an athletes runs 90m in 10s find this rate in metre per minute
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