Use a calculator to find the decimal equivalents.
Then comparing the numbers is easy.
No it is not a function, because a function cannot have more than one output per input. When x=-3, there are two solutions shown: (-3,2) and (-3,3), therefore it cannot be a function.
Answer:
b=12
Step-by-step explanation:
3b +24= b +48
-24 -24
3b = b+ 24
-b -b
2b = 24
÷2 ÷2
b=12
Answer:

Step-by-step explanation:
move variable to the right-hand side and change its sign

divide both sides of the equation

Answer:

Step-by-step explanation:
See the attachment for better understanding..