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Inessa05 [86]
4 years ago
12

PLEASE HELP 22 POINTS!

Mathematics
2 answers:
Setler79 [48]4 years ago
5 0

Answer:

The answer is B -4

Step-by-step explanation:

An inverse function is a function that will “undo” anything that the original function does. For example, if a function takes a to b, then the inverse must take b to a.

Illusion [34]4 years ago
5 0

Answer:

-4

Step-by-step explanation:

The inverse of a function and the function counteract each other.  The are opposites.  It is like adding and subtracting the same thing.  You end up where you started

Since f(x) and g(x) are inverses

f(g(x) = x

g(f(-4)) = -4

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Which property of logarithms does this equation demonstrate?
Rus_ich [418]

Answer:

Product property

Step-by-step explanation:

Log 2 + log 4 = log (2x4)

6 0
3 years ago
Find the solutions to x2 = 27.<br> O A. x = +3,5<br> B. x = +39<br> O C. x = +9.12<br> D. X = +9.5
Eduardwww [97]

Answer:

A

Step-by-step explanation:

Given

x² = 27 ( take the square root of both sides )

x = ± \sqrt{27}

  = ± \sqrt{9(3)}

  = ± \sqrt{9} × \sqrt{3}

  = ± 3\sqrt{3} → A

8 0
3 years ago
What is the slope and y intercept of this graph
castortr0y [4]
The y-intercept is the value of "y" when x=0.

Answer. y-intercept= 4

Given two points (x₁,y₁) and (x₂,y₂) the slope passes through these points will be:
m=(y₂-y₁)/(x₂-x₁)

For example :
we can consider the points (0,4) and (4,0)
m=(0-4)/(4-0)=-4/4=-1

Answer the slope of this line would be m=-1
3 0
4 years ago
PLEASE HELP ME!!!! 50 POINTS!!
Margaret [11]

Answer:

Translate along the transversal

Step-by-step explanation:

5 0
3 years ago
As notas de dois alunos X e Y estão representadas no quadro abaixo. Por meio da variância, qual deles apresentou ser o mais regu
Reil [10]

Answer:

Aluno X

Step-by-step explanation:

A nota média para os alunos X e Y são, respectivamente:

X_m=\frac{5+3+5+7}{4}=5 \\Y_m=\frac{4+9+4+3}{4}=5

A variância é definida pela seguinte expressão:

V=\frac{\sum(X_i-X_m)^2}{n-1}

Onde n é o numero de termos, neste caso, n = 4.

As variâncias para cada aluno são:

V_x=\frac{(5-5)^2+(3-5)^2+(5-5)^2+(7-5)^2}{4-1} \\V_x= 2.7\\V_y=\frac{(4-5)^2+(9-5)^2+(4-5)^2+(3-5)^2}{4-1} \\V_y= 7.3

O aluno X apresentou uma variância menor do que o aluno Y em suas notas e, portanto, apresentou ser o mais regular.

6 0
3 years ago
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