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2 years ago

7

Compute: 3 + [1 − 2(3 − 5)]

2 answers:

Lelechka [254]2 years ago

4 0

From what I did I got 0 but I could be wrong

stira [4]2 years ago

4 0

Alright always do PEMDAS (parenthesis, exponents, multiplication and division, and addition and subtraction)!

So do what's in the parenthesis first! So 3+[1-2(-2)]

Now the brackets are kinda like another pair of parenthesis, just the second round. So do that next. 3+(-3)

Now just add/subtract to get your answer, 0!

Hope that helps!

-mathwizzard3

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Find the inverse of h(x)=(2x-4)/3

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Answer:

The inverse of the h(x) is $h^{-1}(x)=\frac{3x}{2}+2$ Step-by-step explanation:

Given : Expression $h(x)=\frac{2x-4}{3}$

To find : The inverse of the expression ?

Solution :

Expression $h(x)=\frac{2x-4}{3}$

Let, h(x)=y then $y=\frac{2x-4}{3}$

For inverse we replace the value of x and y and find the value of y in terms of x.

Replace the value of x and y,

$x=\frac{2y-4}{3}$

Solve for y by cross multiply,

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Adding 4 both side,

$3x+4=2y$

Dividing by 2 both side,

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Therefore, The inverse of the h(x) is $h^{-1}(x)=\frac{3x}{2}+2$

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