this makes no sense so maybe try something better
we are given

now, we can find x , y and z components

Arc length calculation:
we can use formula


now, we can plug these values

now, we can simplify it




now, we can solve integral


now, we can plug bounds
and we get

so,
..............Answer
False.
e is an irrational number, then it cannot be the ration of two integer numbers.
That expression is only an approximation to the value of e.
Y=-x^2 is just y=x^2 reflected over the x-axis. In other words, the parabola is upside-down.
(3w+6)-(2w+4)= w+2
Hope this helps