Normally it is x ininput and f(x)=y
solve for y and replace y with f(x)
minus 5x from both sides
2y=10-5x
divide both sides by 2
y=5-2.5x
f(x)=5-2.5x
35 would be positive while 40 would be negative
Answer:
6i
Step-by-step explanation:
First, I think you mean square root 18 and square root 2. (Let me know if thats right.)
Thus we have square root -36, which is simplified to 6i (we have to use imaginary numbers)
Answer:
x = 56 degrees
Step-by-step explanation:
Why? they are interior opposites. Even if you would try to measure it with a protractor on your screen, it will sure to be ending up with the same angle! I hope this helps, mate. Good luck!