Answer:
is it electrical circuit? or something else
Answer: y=1/x is the blue line and it goes straight up and down the y and x axis.
y=x^2 is the green line which is a thin "u" like shape. its going up the y axis.
y=\frac{x^{3}}{x^{2}-9} is the red line it goes up and down the y axis and diagonally across the middle of both axis'.
Step-by-step explanation: I went to desmos calculator and typed in your equation and it automatically gave me this graph. (See Picture for more details.)
Answer:
addition +
Step-by-step explanation:
You always do what's in parenthesis first.
No an obtuse angle does not have a complement
A simple method is to square all the answers
now arrange them