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3 years ago

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Mathematics

2 answers:

Mrrafil [7]3 years ago

7 0

Answer:

Who?

Step-by-step explanation:

Never heard

vaieri [72.5K]3 years ago

5 0

Answer:

Ok Mr. sponsor

Step-by-step explanation:

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3. Which is the inverse of the function f(x) = 4x^2?

natali 33 [55]

Answer:

$f^{-1}(x)=\frac{\sqrt{x}}{4}$

Step-by-step explanation:

The inverse of the function is the "opposite" of a function, so to speak. One can find it by treating it like a literal equation with 2 variables, one now has to solve for the other variable presnet. In other words, treat the therm (f(x)) like another variable in the equation. Now one has to solve for (x) in terms of (f(x)).

$f(x)=4x^{2}\\$

Manipulate the literal equation with inverse operations;

$f(x)=4x^{2}\\\sqrt{}\\\\\\\sqrt{f(x)}=4x\\/4\\\\\frac{\sqrt{f(x)}}{4}=x$

Now switch the variables;

$f^{-1}(x)=\frac{\sqrt{x}}{4}$

The $f^{-1}(x)$ signifies that the written function is the inverse of the original function.

7 0

3 years ago

The perimeter of a rectangle is 44 m. The length is 4 m more than the twice the

mojhsa [17]

Step-by-step explanation:

perimeter is given by

p=2L +2W

but from the expression;The length is 4 m more than the twice the width

is written as L =4+2W

putting it in the formula

p= 2(4+2W) +2W

but perimeter was given as 44m

44= 8+4w+2w

44=8+6w

44-8=6w

36=6w

dividing through by 6

w=36/6

w=6m

thus, the width is 6m

put it in the expression L =4+2W to get the length

L =4+2(6)

L=4+12

L=16m

thus the length is 16m

3 0

3 years ago

How can you put (6.4+0.92, 15.74-2.64) on a graph

Colt1911 [192]

Can your actually plus and subtract from the numbers so you can put it in coordinates??
If so it would be (7.32, 13.11)

5 0

3 years ago

Solve for f(5): f(5) = -x + 4

MariettaO [177]

Answer: look at the picture

Step-by-step explanation: hope this help

3 0

3 years ago

What is 66 divided by 117216?

Ivanshal [37]

66/117216= 0.00056306306

5 0

3 years ago