He test scores for last week's History test were:

Mathematics

2 answers:

Kryger [21]3 years ago

4 0

B)The mean and the median become equal.hope this helps

LenaWriter [7]3 years ago

4 0

I think your answer is ether C or D. Tbh i think its C because the mean would be 82 if you add those two numbers and id say the the median is about 80 or in the 70's (^>^) sorry for it being late

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Which equation describes the graphed function?

Oxana [17]

Using translations, it is found that the equation the represents the graphed function is:

$y = -f(x) - 3$ , given by option C.

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The parent function is $f(x) = \sqrt{x}$ .
As x increases, it's value increases. In the graph, as x increases, it decreases, thus it was multiplied by -1, that is, $-f(x)$ .
The parent function is defined for $x \geq 0$ , and the same is valid for the function in the graph, thus we have $f(x)$ and not $f(-x)$ .
The initial value of the parent function is $y = 0$ , here it is $y = -3$ , thus it was shifted down 3 units, that is, $y = -f(x) - 3$ , and the correct option is C.