We have to start with a number , compute
, and then use this result as input for
When you give as input to
, it returns
:
Now, simply means that
will return its input plus five.
In this case, the input is , so we have
Simplify: −4(−2) A. −8 B. −6 C. −2 D. 8
2 answers:
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Answer:
5.4
Step-by-step explanation:
To find the distance between two points, and
, plug them into the following equation:
Two negatives make a positive
Therefore, the distance between the two points rounded to the nearest tenth is 5.4.
I hope this helps!
The range of a function is the set of all possible outputs.
When the quadratic functions are in standard form, they generally look like this:
If a is positive, the function opens up; if it’s negative, the function opens down. In this form, the y-coordinate of the vertex is found by evaluating f(−). For example, consider this function:
f(x) =
So we’re gonna do: −b/2a=−8/2(−2)=−8/−4=2
Then, we plug this in:
a is negative, so the range is all real numbers less than or equal to 5.
Learn more about range at
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