Answer:
D
Step-by-step explanation:
I think the intervals can pretty much be infinite.
Answer:
x-60
Step-by-step explanation:
You have to factor out the quadratic.
You know that one of the factors is x-40.
To factor:
Find a number that when added to -40, gives you -100, and also when multiplied, gives you 2400.
That such number is -60.
Add an x before it, and you get (x-60)
Answer:
always
Step-by-step explanation:
Option D is the correct answer
Answer:
A
Step-by-step explanation:
Not 100% sure, been a while since i did this stuff but i think A is correct