3 years ago

Which is the domain of f(x) = 4^x will give brainlist!

Mathematics

1 answer:

Ksenya-84 [330]3 years ago

4 0

Answer:

all real numbers

Step-by-step explanation:

The domain is the input values

All values for x are valid as inputs to the function

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<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B125%20%7D%20-%20%5Csqrt%7B180%7D%20%2B%20%5Csqrt%7B45%7D%20" id="TexFormula1" tit

Kobotan [32]

Answer:

2 $\sqrt{5}$

Step-by-step explanation:

Using the rule of radicals

$\sqrt{a}$ × $\sqrt{b}$ ⇔ $\sqrt{ab}$

Simplifying the radicals

$\sqrt{125}$ = $\sqrt{25(5)}$ = $\sqrt{25}$ × $\sqrt{5}$ = 5 $\sqrt{5}$

$\sqrt{180}$ = $\sqrt{36(5)}$ = $\sqrt{36}$ × $\sqrt{5}$ = 6 $\sqrt{5}$

$\sqrt{45}$ = $\sqrt{9(5)}$ = $\sqrt{9}$ × $\sqrt{5}$ = 3 $\sqrt{5}$

Thus

$\sqrt{125}$ - $\sqrt{180}$ + $\sqrt{45}$

= 5 $\sqrt{5}$ - 6 $\sqrt{5}$ + 3 $\sqrt{5}$

= 2 $\sqrt{5}$

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3 years ago

I’ll mark you brainlist I’ll mark you brainlist

tatyana61 [14]

Answer:

neither

Step-by-step explanation:

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The graph shows the cost per pound for bananas

kenny6666 [7]

Answer:

wheres the graph

Step-by-step explanation:

it's not theree

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3 years ago

Can someone help pls will mark Brainly and 10+ points only 11 and 12

elena55 [62]

Answer:

11. 90 ( i think )

Step-by-step explanation:

you add the hight and width then multiply by two

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What is 13^2*10 A.1690 B.1700 C.1800 D.169000

shutvik [7]

A. 1690.

You can get this answer by doing 13 to the power of 2 and then multiplying that answer by 10.

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3 years ago

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