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2 years ago

I need help please with linear function

Mathematics

1 answer:

Marat540 [252]2 years ago

8 0

I'm guessing you mean what a linear function is, answer provided below...

What is a linear function?:

linear functions are those whose graph is a straight line. A linear function has the following form. y = f(x) = a + bx. A linear function has one independent variable and one dependent variable.

How to determine a linear function:

1. Identify the y-intercept from the graph.

2. Choose two points to determine the slope.

3. Substitute the y-intercept and slope into slope-intercept form of a line.

Here is a graph with a linear function:

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The rate (gallons per day) at which a pond loses water due to evaporation from one day after observation has started is give by

Andreyy89

Answer: see table below

Step-by-step explanation:

$\left\begin{array}{c|l}T&\qquad w(t)\\1&\dfrac{1}{1^2}=1\implies 1.00\\\\2&\dfrac{1}{2^2}=\dfrac{1}{4}\implies 0.25\\\\10&\dfrac{1}{10^2}=\dfrac{1}{100}\implies 0.01\\\\50&\dfrac{1}{50^2}=\dfrac{1}{2500}\implies 0.0004\\\\100&\dfrac{1}{100^2}=\dfrac{1}{10000}\implies 0.0001\\\\200&\dfrac{1}{200^2}=\dfrac{1}{40000}\implies 0.000025\\\\500&\dfrac{1}{500^2}=\dfrac{1}{250000}\implies 0.000004\\\\1000&\dfrac{1}{1000^2}=\dfrac{1}{100000}\implies 0.000001\\\end{array}\right$

4 0

2 years ago

Why is this trendline wrong?

hichkok12 [17]

Answer:

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Step-by-step explanation:

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8 0

2 years ago

Which is the solution set for –7 ≤ 4x + 1 ≤ 5? I added a picture !

Oksi-84 [34.3K]

$-7\leq4x+1\leq5\ \ \ \ |subtract\ 1\\\\-7-1\leq4x+1-1\leq5-1\\\\-8\leq4x\leq4\ \ \ \ |divide\ by\ 4\\\\-8:4\leq4x:4\leq4:4\\\\\boxed{-2\leq x \leq1\Rightarrow x\in[-2;\ 1]}$

$\boxed{x\geq-2\ and\ x\leq1}\to\answer{\boxed{C}}$

6 0

2 years ago

Read 2 more answers

4x + 5x + 12 = 6(x-2) Math

Rashid [163]

Hi there! :)

$\large\boxed{x = -8}$

4x + 5x + 12 = 6(x - 2)

Combine like terms and distribute the coefficient outside of the parenthesis:

9x + 12 = 6(x) + 6(-2)

9x + 12 = 6x - 12

Subtract 6x from both sides:

9x - 6x + 12 = 6x - 6x - 12

3x + 12 = -12

Subtract 12 from both sides:

3x + 12 - 12 = -12 - 12

3x = -24

Divide both sides by 3:

3x/3 = -24/3

x = -8.

4 0

3 years ago

PLZ HELP!!! WILL GIVE HIGHEST POINTS IF THE ANSWER IS RIGHT!!

PilotLPTM [1.2K]

Step-by-step explanation:

Standard polynomial is:

$- 20 {x}^{3} - 3 {x}^{2} + 4x$

Leading co effecient is:

-20

8 0

2 years ago