$\"\"$

The logistic equation is $\"\"$ .

Find the $\"\"$ - intercept by substituting $\"\"$ .

$\"\"$

$\"\"$ .

At $\"\"$ , the value of $\"\"$ .

Observe the graphs:

The graph $\"\"$ matches has $\"\"$ at $\"\"$ .

Therefore,the correct choice is option $\"\"$ .

$\"\"$

The correct choice is option $\"\"$ .