Answer:
1. 7^-1
2. 2√22 or 9.3
3. -115
4. 0.015
5. 4
Step-by-step explanation:
1. If x = -4²-9
--------
-4 + 3
16-9
-------
-1
7
------. = 7^ -1
-1
2. ²√-4² + -4 + 10
²√16+(-4)+10
²√16-4+10
²√22. or 9.3
3. 2 (-4)³ -3(-4)+1
2(-64)-(-12)+1
2(-64)+12+1
-128+13
-115
4. 9^x
9^-4 =0.015
It is improper fraction.
5. 8
______
x+2
8
_____
(-4)+2
-8
_____. = 4
2.
