Answer: 3
Step-by-step explanation:
4x+23=7x+14
4x-7x=14-23
-3x=9
x=9/3
x=3
Could you show us a picture of the question
Answer:
2 kilometers
Step-by-step explanation:
every 1 kilometer is a 1/2 hour. double that and you get 2
Answer:
568,000L
Step-by-step explanation:
1 Kiloliter = 1,000 Liters
568 x 1,000 = 568,000
Answer:
An even function is:
f(x) = 7
Step-by-step explanation:
An even function accomplish the following condition:
f(x)=f(-x) (1)
Applying (1), we have:
- f(x)= (x-1)^2
f(-x)
(-x-1)^2 - f(x)= 8x
f(-x)
-8x - f(x)= x^2 -x
f(-x)
(-x)^2 +x
The last one is even.