3 years ago

In which equation is y a linear function of x?

Mathematics

1 answer:

SVEN [57.7K]3 years ago

6 0

A. y = 4x - 8
This equation is the only equation out of these that make a linear graph.

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<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%20%5Csqrt%7Bx%7D%20" id="TexFormula1" title="f(x) = \sqrt{x} " alt="f(x) =

Georgia [21]

Answer: $\dfrac{1}{2\sqrt x}$

<u>Step-by-step explanation:</u>

$\lim_{h \to 0} f(x)=\dfrac{f(x+h)-f(x)}{h}$

f(x) = $\sqrt x\\$

f(x+h) = $\sqrt{x+h}$

$\lim_{h \to 0} f(x)=\dfrac{\sqrt{x+h}-\sqrt x}{h}$

$=\dfrac{\sqrt{x+h}-\sqrt x}{h}\bigg(\dfrac{\sqrt{x+h}+\sqrt x}{\sqrt{x+h}+\sqrt x}\bigg)$

$=\dfrac{(x + h)-(x)}{h(\sqrt{x+h}+\sqrt x)}$

$=\dfrac{h}{h(\sqrt{x+h}+\sqrt x)}$

$=\dfrac{1}{\sqrt{x+h}+\sqrt x}$

$=\dfrac{1}{\sqrt{x+0}+\sqrt x}$

$=\dfrac{1}{2\sqrt x}$

4 0

4 years ago

if Cory is at the elephant and he walks 8 units up and 4 units right, where would he land? What are his new coordinates?

Sati [7]

Answer:

(-2,7) those are the coordinate. in which he will land

4 0

2 years ago

If f(x) = x^5 - 1, g(x) = 5x, and h(x) = 2x, which expression is

Bad White [126]

The answer is 5(2-9)-1)2

6 0

3 years ago

You have 7 donuts to share evenly among you and your three brothers. Which equation describes how many donuts each of you will r

Solnce55 [7]

Answer:

7/3

Step-by-step explanation:

Since you have seven donuts to share with three brothers, you can calculate that each one of you will get 2 donuts and there will be a spare one left. You know that you also have to share that one so you split it into thirds. 7/3 = 2 1/3

Hope I helped!

Brainliest? :o

Keywords: donuts, donut, brother, equation, receive

3 0

3 years ago

Read 2 more answers

Jeff drinks of a glass of juice.

bazaltina [42]

4/6 is an equivalent to 2/3

6 0

3 years ago