help please!
The table below shows the square roots of different numbers:
Number
(x) 4 4 9 9
Square root
(y) 2 -2 3 -3
Part A: Does the table represent y as a function of x? Justify your answer. (5 points)
Part B: The total cost f(x), in dollars, for renting a car for a week and driving it x miles is shown below:
f(x) = 90 + 0.11x
What is the value of f(300), and what does f(300) represent? (5 points)

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hint:
the point x=4 has two images, namely +2 and -2, similarly for point x=9
what can you conclude?

it is not a function?

correct!

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