It opens upward when X is an even power. It would be for X squared or X raised to the 4th power.
Answer:
Uhh what??
Step-by-step explanation:
Do you mean like 1.75 in a decimal form??
The answer to your problem should be 5 wholes and 5/6 since the denominators are the same just add 6 more pieces to 4/6 to get an improper fraction then subtract to get the answer. Hope this helps and have a fabulous day!