The function f(x) = (x - 4)(x - 2) is shown.
1 answer:
Answer:
all real numbers greater can or equal to -1
Step-by-step explanation:
Given the function: f(x) = (x - 4)(x - 2)
=> its root: x =4 and x = 2
We convert the factored form into standard form: f(x) =
As can be seen, the parameter a in the function is positive => the graph of it open up over its domain.
and then we convert the factored form into vertex form: f(x) = - 1
<=> when x =3 we have f(x) =1 and f(x) =-1 is the lowest point of the function
=> the range of the function: all real numbers greater can or equal to -1
Hope it will find you well.
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Answer:
39.39%
Step-by-step explanation:
There's a nice little formula that is used to find percentage change which works regardless of if it's an increase or decrease.
1 - Understanding the equation
The '|'s which are surrounding the fraction are absolute value symbols in mathematics,
Absolute value means the positive value of anything inside
<u>Examples</u>:
| -8 | = 8
| 8 | = 8
and
| -2 | = 2
| 2 | = 2
the * 100 means you multiply (the * symbol means multiply) by 100.
We do this to get it into a percent.
3 - Assign numbers to the values from our equation
Original Value (What it changed from): 330
New Value (What it changed to): 200
3 - Plug in our values into our variables from our equation
<em>Our percent change is 39.39%, and with our percent in which is discounted being the same, we have our answer.</em>
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Hope this helps :)