aarieejones
10.03.2021 •
Mathematics
A science experiment involves periodically measuring the number of mold cells present on a piece of bread. At the start of the experiment, there are 50 mold cells. Each time a periodic observation is made, the number of mold cells increases by 300%. How many mold cells would there be after 5 observations?
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Ответ:
B
Step-by-step explanation:
Hello!
A function is a equation that every input has one output
To find if an equation is a function we put in a number for one variable and solve
I'll use 0
y^2 = 0^2 + 5(0) + 4
Simplify
y^2 = 0 + 0 + 4
Combine like terms
y^2 = 4
To remove the square from y you put 4 in the square root in both negative and positive
Simplify
y = 2, y = -2
For one input (0) we get two outputs (2 and -2) this means it is not a function. So the answer is B
Hope this Helps!