1,6,7 are positive
2,9 are negative
3,4,5,8 are undefined
5/13.....so D because sine is opposite over hypotenuse
Answer:
With interval notation you would use round parentheses
Step-by-step explanation:
Answer:
7-n^2 (#3)
Step-by-step explanation:
"the difference of" means subtract following number from preceding number in this case 7 from an unknown and it wants this number squared therefore 7 - n^2 is your answer
Answer:
9
Step-by-step explanation:
x2 + 3
(3)2 + 3
6 + 3
9