Answer:
x² - 2x - 8
Step-by-step explanation:
The notation (f·g)(x) means to multiply the two functions. Use the distributive property to simplify.
(f·g)(x) = (x+2)(x-4) = x² + 2x - 4x - 8 = x² - 2x - 8
Answer:
2 ½ dollars
Step-by-step explanation:
You take half of 5 and that makes 2 ½
Basically it means judging if something is right.
Answer:
20000
Step-by-step explanation:
Your equation will look like this to the third power:
20 x 10^3
Step 1. Solve for 10^3
Answer: 1000
Step 2. Multiply 20 x 1000
Answer: 20000