The value of "a" for a narrow graph will be equal to 7.
What is a graph?
A graph is the representation of the data on the vertical and horizontal coordinates so we can see the trend of the data.
GIven functions are:-
f(x) = ax²
f(x) = 7
At the value of a=7 the graph of function f(x) = 7x² opens upward and is narrower than the graph of f(x) = x².
Hence the value of "a" for a narrow graph will be equal to 7.
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