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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1 8.5 ft 8.5 ft . A=

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The answer is 8.5 ft

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If a is an integer, which of the

sweet [91]

So to work this out we need to find the 4th root of each of those and pick the one that gives an integer.

A: $\sqrt[4]{1.6*10^1^1} = 632.455...$ This is a decimal therefore not an integer.

B: $\sqrt[4]{1.6*10^1^2} =1124.682...$ Again a decimal, therefore not an integer.

C: $\sqrt[4]{1.6*10^1^3} =2000$ This is a whole number, so it is an integer.

D: $\sqrt[4]{1.6*10^1^4} =3556.558...$ Decimal, therefore not an integer

E: $\sqrt[4]{1.6*10^1^5} =6324.555...$ Again a decimal, not an integer.

The only one that gives an integer when put to the 4th root is C, therefore:

$1.6*10^1^3$ could be A^4, as the 4th root of it is an integer.

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3 years ago

A man whose height is 2.1 m casts a shadow that is 3.2 m in length. What is the approximate height of a building that casts a sh

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Answer:

ok so first

2.1 divided by 3.2 =0.65625

0.65625*11.5=7.546875

So the answer is B

Hope This Helps!!!

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