If y varies directly with x, and x=21 and y=14, what is the equation that represents this variation?
1 answer:
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Step-by-step explanation:
We need to find the value of the function at the indicated value.
Indicated values are : f(-7), f(0), f(6), f(7)
To find f(-7), put x = -7 in the given function
To find f(0), put x = 0 in the given function
To find f(6), put x = 6 in the given function
To find f(7), put x = 7 in the given function
Hence, this is the required solution.