Taking the derivative of both sides with respect to gives

When , we have two possible values of :

so we have two possible values .

**Answer:**

27

**Step-by-step explanation:**

So I dont really get the equation because its written confusingly but I will try my best.

1. √(2x+10) -6=2

2.√{2x+10}=8

3.√{2x+10}^2=8^2

4.2x+10=64

5.x=27

**Answer:**

a) Math and Dance

b) 3 students (Chau, Juan, Ivan)

c) Tome, Jose, Josh, Rita

**Step-by-step explanation:**

That was so easy homework :-) write in comments if it helped

**Answer:**

Dependent variable:

Academic success of Japanese and American students

**Step-by-step explanation:**

We are **given the following** in the question:

Experiment:

Assessing the impact of videos games upon the academic success of Japanese and American students

**Dependent and independent variable:**

- The independent variable is the free variable.
- It's value does not depend on any other variable.
- The dependent variable is the variable whose value depends on another variable.
- A change in the independent variable leads to a change in the dependent variable.

Thus, for the given experiment,

**Dependent variable:**

Academic success of Japanese and American students

**Independent variable:**

Videos games