Answer:
f(-3) = 1
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
f(x) = 2x + 7
f(-3) is x = -3
<u>Step 2: Evaluate</u>
- Substitute: f(-3) = 2(-3) + 7
- Multiply: f(-3) = -6 + 7
- Add: f(-3) = 1
You could just use a calculator. Or, simply find the largest perfect square that is a factor of the number and then put the multiplier under a radical sign.
Answer:
no solutions
Step-by-step explanation:
Simplify the equation 

Since

and

we have

Since
cannot be less than
this equation has no solutions.
The answer is <u><em>0.76075</em></u>!
<em>Hope this helps!</em>