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2 years ago

13

The only difference between the set of whole numbers and the set of natural numbers is that 0 is only included in the set of (ci

rcle answer)
whole numbers or natural numbers).

1 answer:

MakcuM [25]2 years ago

6 0

Answer:

Whole numbers

Explanation:

0 is a whole number, but not a natural number. Whole numbers include all natural numbers <em>and</em> 0.

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Need help with number 26 and 27

Vlad1618 [11]

26
thursday 138 (46 x 63 / 21 = 138)
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27.
100% - 80% = 20%

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3 years ago

Evaluate inverse functions <br><br> Find the following values f^-1(f(3.14)) <br> F(f(-7))

Margaret [11]

Answer:

1. 3.14

Step-by-step explanation:

If we have

$f {}^{ - 1} (f(x)$

That just equals

$x$

For example, consider function

$f(x) = 2 {}^{x}$

The inverse of that function is

$y = 2 {}^{x}$

$x = 2 {}^{y}$

$log_{2}(x) = log_{2}(2 {}^{y} )$

$log_{2}(x) = y$

So

$f {}^{ - 1} (x) = log_{2}(x)$

If we compose the function, f(x) into f^-1(x).

We get

$log_{2}(2 {}^{x}) = x$

That proof of that.

1. Here x=f^-1(3.14)and f(3.14) cancel out so the answer is 3.14

2. We first find f(-7) which is -12,

We then find f(-12)= 5 so the answer here is 5.

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