Answer: Very Easy 3/5 x 7 = 4.2. The decimal 4.3 can be written as the mixed fraction 4 3/10 or as the improper fraction 43/10.
Step-by-step explanation:
replaced f(x) with 5
5= x^2 +4
5 -4 = x^2
1 = x^2
take the square root on both sides
- 1 or 1 = x
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