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sweet-ann [11.9K]
3 years ago
9

Please help and don't answer just for points and please don't get anything wrong bless your heart and ill give you points, brain

liest, and more but please solve corecttly

Mathematics
1 answer:
Rashid [163]3 years ago
6 0
1. 39
2. 59
3. 19
4. 162
I hope this helps :)
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Write a linear function f with the values f(2)=4 and f(−7)=9. A function is f(x)=
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Answer:

f(x) = -5/9 x + 5 1/9

Step-by-step explanation:

f(2)=4 and f(−7)=9 means the line pass through (2,4) and (- 7,9)

f(x) = mx + b

m = (y-y') / (x-x') = (9 - 4) / (- 7 - 2) = - 5/9

for (2,4) : b = f(x) - mx = y - mx = 4 - (- 5/9) x 2 = 4 + 10/9 = 46/9 = 5 1/9

f(x) = -5/9 x + 5 1/9

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Reflecting the point (x, y) over the x-axis transforms it to the point (x, -y). Then the points (x, f(x)) on the graph of f(x) will be transformed to (x, -f(x)) when the graph is reflected over the x-axis.

The reflection of the function f(x) = |x| is -f(x) = -|x|. If we name the reflected function f(x), we have
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