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kozerog [31]
3 years ago
11

What’s the inverse f(x) = 2x-5

Mathematics
2 answers:
zheka24 [161]3 years ago
5 0

Answer:

25

Step-by-step explanation:

it's so easy to get to know

Vesnalui [34]3 years ago
3 0

Step-by-step explanation:

Given

f(x) = 2x - 5

f^-1(x) = ?

we know

Let

y = f(x)

Or y = 2x - 5

Now Interchanging the role of x and y we get

x = 2y - 5

or 2y = x + 5

therefore y = (x+5) / 2

Therefore, f^-1(x) = ( x + 5 ) / 2

Hope it will help :)❤

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Which linear equation has a slope of 3 and a y-intercept of -2?
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(m is the slope, b is the y-intercept or the y value when x = 0 --> (0, y) or the point where the line crosses through the y-axis)

You know:

m = 3

b = -2        So substitute/plug it into the equation

y = mx + b

y = 3x + (-2)

y = 3x - 2      Your answer is the 2nd option

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Answer:

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3 years ago
Terry but 34 boxes of chocolate bars and gave 18 of her boxes away to her older brother. If each box has 24 chocolate bars insid
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Terry still have 384 peices of chocolate bars

<em><u>Solution:</u></em>

Given that Terry buys 34 boxes of chocolate bars and gave 18 of her boxes away to her older brother

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Total boxes with Terry initially = 34 boxes

Now terry has given 18 of her boxes to her older brother

<em><u>So the boxes now left with Terry is:</u></em>

<em>boxes left with Terry = Total boxes with Terry initially - number of boxes given to older brother</em>

boxes left with Terry = 34 - 18 = 16

So Terry has 16 boxes left

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So, 16 boxes = 24 x 16 = 384

So Terry has 384 peices of chocolate bars left

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