Given the function f(x) = 2/3 * x - 5 , evaluate f(9)

1

Step-by-step explanation:

I used a calc lol

a.

b.a real number x

Step-by-step explanation:

We are given that  statement.

We have to rewrite the given statement using variable or variables.

Statement:Is there a real number whose square is -1.

a.Let x bet the real number

The square of real number x written as

According to question

Therefore,

Is there a real number x such that

b.Does there exist a real number x such that