How does the sign of a affect the domain and range of ()=?f of , open x close . equals eh , x squared , question mark

(See explanation for further details).

Step-by-step explanation:

The sign does not affect the domain, as second-order polynomials are continuous functions. Nonetheless, the sign affect the range of function in the sense that elements can be lesser and equal to zero (a < 0) or greater and equal to zero (a > 0).

1. 3

2. 4

3. 1

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-wfz