<span>Julia is X+5
</span><span>x+x+5=31
</span>
Now we just solve the equation
2x=31-5
x=26/2
x=13 years old (Babs' age)
and we know that julia is 5 years older this gives us the conclusion that.
13+18=31
Answer:
The derivative is

Step-by-step explanation:
The function is given by

Differentiate with respect to x, we get

45 to get j by itself you need to multiply both sides by 9