Answer:
No solution.
Step-by-step explanation:
The equation 2x + 8 = 2(x + 5) has no solution as we see if we simplify it:
2x + 8 = 2x + 10
2x - 2x = 10 -8
0 = 2 which is absurd.
1. You have the function 
2. You know that 
with 
, because the division by zero is not defined. So , 
for 
where 
is a integer number.
3. Then, to find the domain of the function given in the problem, you must make 
Where 
is odd number.
4. Therefore:
5. Finally, the domain is: 
The answer is:
Answer: 286 minutes
Step-by-step explanation:
x : # of months that has gone by
0.24x : cost of the 24 cent plan after "x" minutes
39.95 + 0.10x : cost of the 10 cent plan after "x" minutes
1. 39.95 + 0.10x > 0.24x
2. 39.95 > 0.24x - 0.10x
3. 39.95 > 0.14x
4. 285.36 > x
x must be AT LEAST 286 minutes for plan #2 (39.95 + 0.10x) to be a better deal
has characteristic equation
which has roots at
. The negative root has multiplicity 2. So the general solution is
Fraction = 21/8
decimal = 2.625
mixed number form = 2 5/8
