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Answer:
D
Step-by-step explanation:
The function will be zero when the numerator is equal to 0. So, set the numerator equal to 0 and solve:

I will use the quadratic formula:

Therefore, x = 9 is a 0. Let's check with subtracted root now:

It appears 0 is also a root.
Therefore, the answer is D.
Answer:
5.75
Step-by-step explanation:
10 1/4 = 10.25
4 1/2 = 4.5
10.25 - 4.5 = 5.75
Answer: Irrational, because it is not a terminating or repeating decimal
.
Step-by-step explanation: The square root of 35 is 5.916079 and more numbers that go on and on.
P.D. Hope this helps!
15/7 is approximately 2.143