Answer: {6, 3}
Step-by-step explanation: This is called a polynomial equation.
In order to solve a polynomial equation by factoring,
it's very important to understand the following rule.
Before we can factor, we <u>must</u> set the equation equal to zero.
Our first step is to move the 9x to the left so it's set equal to zero
by subtracting 9x from both sides to get x² - 9x + 18 = 0.
Now we can factor the left side to get (x - 6)(x - 3) = 0.
This means that either x - 6 = 0 <em>or</em> x - 3 = 0.
Solving each equation from here, we have x = 6 or x = 3.
In set notation we have {6, 3}.
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Answer:
B, 5x - 3 = 12
Step-by-step explanation:
3 less means subtracting, it's going to be -3.
It says 3 less than five times a number, meaning we don't know the number, so we can put it as x.
3 less means your subtracting from something, which would make it 5x - 3.
Finally, they state that it equals 12, making the equation <u>5x - 3 = 12.</u>
Answer:
f(0) = 1
Step-by-step explanation:
Hi there!
To find f(0), we must find the y-value for when x is equal to 0. This means that we need to find 'y' in (0,y).
Notice how the graph includes the point (0,1). The y-value is 1, so therefore, f(0) = 1.
I hope this helps!