Answer:
The domain of a function is the set of all possible inputs for the function. For example, the domain of f(x)=x² is all real numbers, and the domain of g(x)=1/x is all real numbers except for x=0.
Answer:
r=20÷7
Step-by-step explanation:
7r=4•5
r=20÷7
r=2.836467473
Answer:
x=8.5
Step-by-step explanation:
3x+31=14+5x
17=2x
x=8.5