Given that,
To find,
The domain of f(x).
Solution,
We have,
To find domain,
The term under the square root must be positive or null as follows :
Adding 3 both sides
So, the domain is x-3>0 .
If M = 5x2 + 7x-4 and N = -3x2-4x+5, then M -N equals
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First add 5 to right side
Next , to cancel the 7, you need to multiply by 7 on both sides
Next , to cancel the 7, you need to multiply by 7 on both sides