Answer:
Domain : ]-4;4[
Range : [4; -infinity[
2.16
Step-by-step explanation:
12/100=0.12
18 · 0.12=2.16
The length is x2 while the width is x1.5
Therefore it cannot be a scaled copy
91.................
for the first question
8² +7²=x²
64 +49=x²
x=√113
similarly for second
15²+18²=x²
225+324=x²
√549=x
3√61=x