an equation for the line tangent to the graph of the differentiable function f at x=3 is y=4x+6. which of the following statements must be true?

C. II and III

Step-by-step explanation:

See attachment for complete question

Given

 differentiable at

Start by representing y as ;

Solving (I):

Substitute 0 for x in

I is not true

Solving (II):

Substitute 3 for x in

II is true

Solving (III):

First , we have to differentiate  

Then, substitute 3 for x in

III is true

i am unable to solve this problem

step-by-step explanation:

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.