Question

,

Answer 1

im not sure if its b or d

Answer 2

hmm

Answer 3

So we have something like this,\[\large\rm \frac{dy}{dx}=f(y)\]
Maybe we want to know where the slope values are 1,\[\large\rm 1=f(y)\]And let's pretend this corresponds to some particular y value,
maybe y=3 how bout.
This slope is satisfied for y =3 `and every x value`.

Answer 4

so up here at y=3, (and every x value), the isoclines have slope of 1.