Domain is X’s, Y’s are Range so
a) Domain: 4.2, 5, 7, 4.2
Range: 1.5,2,8,0
b) Domain:-1,-2,4,7
Range: 1,2,-4,-7
Ok. so, you have a fraction. lets say it is, 5/20. and the other, is. 2/5. flip the first one, and multiply. so your answer would be, 25/40. hope this helps.
Answer:
linear
Step-by-step explanation:
This is short cut for this type of questions, ie, gain or loss square/100=5^2/100=>0.25%loss
Always this type of questions will have loss
Sorry i did not get your question bc there is no sign for + or -
