It's the 3rd graph that represents a linear rel. Notice that each time x increases by 1, f(x) increases by 2. Thus, the slope is 2 and the equation of the line in the 3rd graph is y = 2x - 1.
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Answer:
x = 4
Step-by-step explanation:
You have to remember the "Quotient Rule" for exponent having same base.
The quotient rule tells us that we can divide two powers with the same base by subtracting the exponents.
Here,
base = 3
exponents = 2x + 1 , x + 5
3^(2x + 1) = 3^( x + 5)
3^(2x + 1) / 3^(x + 5) = 1
3^((2x + 1) - (x + 5) )= 1
3^(2x + 1 - x - 5) = 1
3^(2x - x +1 - 5) = 1
3^(x - 4) = 1
log 3^(x - 4) = log(1)
(x - 4) (log (3)) = 0
log(3) = 0 rejected
x - 4 = 0 accepted
x = 0 + 4
x = 4
Let’s take the number .666666 repeating
If we turn it into a fraction it’s 2/3.
It doesn’t matter how many numbers repeat to write a fraction.
Hope this helps.
Answer:
![x > 3](https://tex.z-dn.net/?f=x%20%3E%203)
Step-by-step explanation:
![3x - 9 - 5x > - 3x - 6](https://tex.z-dn.net/?f=3x%20-%209%20-%205x%20%3E%20%20-%203x%20-%206)
![- 2x - 9 > - 3x - 6](https://tex.z-dn.net/?f=%20-%202x%20-%209%20%3E%20%20-%203x%20-%206)
![x > 3](https://tex.z-dn.net/?f=x%20%3E%203)