Answer:
3x+9≤30 is x≤7
Step-by-step explanation:
X=3 falls in the third piecewise function,
f(x)=x+1
f(3)=3+1=4
Answer: here u go
Step-by-step explanation:
Answer:
The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.