x = 1
Step-by-step explanation:
Given data: 
Recall: If f(x) = 0, then x is called the zero of the function.
To find zero of the function, take f(x) = 0.

Add 6 to both sides of the equation.

Divide both sides of the equation by 3.

Taking square on both sides of the equation.
⇒ x + 3 = 4
⇒ x = 1
Hence, the zero of the function is 1.
I use simple annual interest to solve the problem
<span>$125.37 -------------------------------- 3 years
X-------------------------------------------> 1 year
X=125.37/3=</span>$41.79/ year
<span>$597--------------------->100%
</span>$41.79---------------------X%
X=41.79*100/597=7%
The rate was 7%
<u>4h + 7 = 4h - 3</u>
Subtract 4h from each side: 7 = -3
There is no value of ' h ' that can make this a true statement,
so the equation has no solution.