Domain is all the possible inputs of an equation. In this example, the only concern is the x + 5 because the denominator cannot equal 0 because we can't divided by 0. So we set x + 5 equal to zero and solve for x.
x + 5 = 0
x = -5
The restriction is that x cannot equal -5.
1/2 divide by reciprocal( flip the second fraction then multiple)
Answer:
its -2x
Step-by-step explanation:
Answer:
20
Step-by-step explanation: