is you and your brother went trick or treating and you got 50 pieces of Candy . you get 12 pieces of candy that you do not like
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Number (x) 1 -1 2 -2
Fourth power of the number (y) 1 1 16 16
(a) Does the table represent y as a function of x?
From the table we can see that every x value has a corresponding y value
The x values are not repeating. So It is a function.
If we graph the table then it will pass vertical line test.
B: The total cost f(x), in dollars, for renting a truck for x hours is shown below: f(x) = 17x + 50 What is the value of f(30) and what does f(30) represent?
Total cost f(x) = 17x + 50
To find f(30), we plug in 30 for x
The rent of the truck for 30 hours is $560