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Mamont248 [21]
3 years ago
5

What is the inverse of the function f(x) = 2x - 10?

Mathematics
1 answer:
aliina [53]3 years ago
6 0

Answer:

1/2x+5

Step-by-step explanation:

We can find the answer by doing some simple steps! First, switch the x and y values in the equation. y=2x-10 turns into x=2y-10. Now, all you have to do is solve for y. x+10=2y--> 1/2x+5. So none of the answers are the solution and therefore h(x) = 1/2x+5. Hope that helps!

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The length would be w+4 since it is 4 inches more than the width, which is w.
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3 years ago
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The sum of two numbers is 52. One number is 3 times as large as the other number. Which is the larger number
creativ13 [48]

The two number are 39 and 13

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

Let the two numbers be "a" and "b"

Let the larger number be "a" and the smaller number be "b"

<em><u>Given that, sum of two numbers is 52</u></em>

a + b = 52 ---------- eqn 1

<em><u>One number is 3 times as large as the other number</u></em>

Larger number = 3 times smaller number

a = 3b -------- eqn 2

<em><u>Let us solve eqn 1and eqn 2</u></em>

<em><u>Substitute eqn 2 in eqn 1</u></em>

3b + b = 52

4b = 52

b = 13

<em><u>Substitute b = 13 in eqn 2</u></em>

a = 3(13)

a = 39

Thus the two number are 39 and 13

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3 years ago
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Answer:

1.) x=3  2.)n= -1/4 3.) h=7

Step-by-step explanation:

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2 years ago
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Examine the following system of inequalities.
lubasha [3.4K]

Answer:

Dotted linear inequality shaded above passes through (0, 4) and (4, 0). Solid exponential inequality shaded below passes through (negative 2,2) & (0,5)

Step-by-step explanation:

we have

y > -x+4 ----> inequality A

The solution of the inequality A is the shaded area above the dotted line y=-x+4

The dotted line passes through the points (0,4) and (4,0) (y and x-intercepts)

and

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The solution of the inequality B is the shaded area above the solid line y=-(1/2)^{x} +6

The solid line passes through the points (0,5) and (-2,2)

therefore

The solution of the system of inequalities is the shaded area between the dotted line and the solid line

see the attached figure

Dotted linear inequality shaded above passes through (0, 4) and (4, 0). Solid exponential inequality shaded below passes through (negative 2,2) & (0,5)

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3 years ago
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