# Question #bad20

##### 1 Answer

**Answer 1:**

**Answer 2:**

**Answer 3:**

**Answer 4:**

#### Explanation:

**Answer 1:**

The question asks for a product of *depends* on

- You need to have multiplication of
#x# and some other factor. - Your other factor should change as you change
#x# .

Hence,

**Answer 2:**

Again, you are asked for a product, but this time your factor does *not* depend on

- You must have multiplication of
#x# and some other factor. - Your other factor should
*not*change as you change#x# .

So,

**Answer 3:**

Here, you're asked for a *sum* of two terms:

- You have addition of
#x# and some other term. - Your other term must be
#x# multiplied by some factor (in terms of any other variable).

You have three answers that fulfill this criteria (listed above): all of them have

**Answer 4:**

Here, you're again asked for a sum, but this time your other term must *not depend on #x#*. Therefore, you know:

- You have addition of
#x# and some other term. - Your other term must not have
#x# in it.

Hope that helps :)