The table below shows the cubic roots of different numbers.
Number (x): 8 27 64 125
Cubic root (y): 2 3 4 5
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 bike for x hours is shown below:

f(x) = 10 + 20x

What is the value of f(100), and what does f(100) represent? (5 points)

Question

The table below shows the cubic roots of different numbers.
Number (x):     8   27   64  125
Cubic root (y): 2    3     4      5
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 bike for x hours is shown below:

f(x) = 10 + 20x

What is the value of f(100), and what does f(100) represent? (5 points)

lucaz · Answer

two to the third power is equal to what?

anonymous · Answer

no thats the table here hang on

anonymous · Answer

thats the table

lucaz · Answer

yes, the table shows some relations, 2 and 8, 3 and 27.. what is 2^3? what is 3^3? and 4^3?

anonymous · Answer

2^3 is 8 3^3 is 27 4^3 is 64 what about it

lucaz · Answer

this means the table represents y as a function of x

lucaz · Answer

y = cube root of x

anonymous · Answer

what about part b can you help me with it?

anonymous · Answer

not to sound pushy im just trying to understand

lucaz · Answer

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