Answer:
f(-3) = 16
Step-by-step explanation:
Given:
f(x) = 2x² + x + 1
Required:
f(-3)
Solution:
Substitute x = -3 into f(x) = 2x² + x + 1
f(-3) = 2(-3)² + (-3) + 1
f(-3) = 2*9 - 3 + 1
f(-3) = 18 - 3 + 1
f(-3) = 16
Answer:

Step-by-step explanation:
Given


Required
How far did they row together
To do this, we simply add the distance they both covered.

This gives;

Take LCM


Simplify

<em>Hence, they both rowed 1/2 mile</em>
Answer:
4 pages
Step-by-step explanation:
You divide 36 by 9
The property displayed here is the distributive property.
If you have a variable or unknown number inside or outside of parentheses, you can distribute it to each term and add the terms together, and it will remain true.
Example:
4(x + 5)
After distributing, it'll look like this:
4x + 20
Answer:
1. Irrational
2. Rational
3. Rational
4. Irrational
5. Irrational
Step-by-step explanation: