Answer:
(-∞, ∞).
Step-by-step explanation:
This function can have any real value.
Range = (-∞, ∞).
The answer is option B, x = 4.2
3 is 13 more than 10, and 3 is 30% of 10, so 30% im pretty sure
Area= 14.142
Perimeter=20
Height=3.14