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3 years ago

Simplify the expression 3( 2x - 4) -1n pls hurry

Mathematics

1 answer:

lions [1.4K]3 years ago

3 0

Answer:

(3)(2x) + 3 (-4) + - 1n

6x + -12 + - n

Answer -n + 6x - 12

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Solve by using the quadratic formula.

x=1+-i√5 / 6

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3 years ago

Given the functions, f(x) = 4x3 - x2 + 1 and g(x) = x - 1, evaluate f(g(2)).

KatRina [158]

Answer:

Step-by-step explanation:

f(g(2)) means "put 2 into g(x) and then take that answer and put it into f(x)"

Given:

$f(x)=4x^3-x^2+1$

and

$g(x)=x-1$

Now, let's find g(2) first:

g(x) = x - 1

g(2) = 2 - 1

g(2) = 1

Now, lets put this into f(x). So we have:

$f(x)=4x^3-x^2+1\\f(1) = 4(1)^2 - (1)^2 +1\\f(1) =4$

That is f(g(2)) = 4

7 0

3 years ago

What is the value of x in the equation Negative StartFraction 2 over 9 EndFraction x = two-fifths? Negative 1 and four-fifths Ne

pogonyaev

Answer:

Option Negative 1 and four-fifths is correct

That is $x=-1\frac{1}{5}$

Step-by-step explanation:

Given problem is Negative start fraction 2 over 9 end fraction x=two-fifths

Given equation can be written as $-\frac{2}{9}x=\frac{2}{5}$

To find the value of x in the given equation :

$-\frac{2}{9}x=\frac{2}{5}$

Mutliply by $\frac{9}{2}$ on both sides we have

$\frac{2x}{9}\times(\frac{9}{2})=\frac{2}{5}\times(\frac{9}{2})$

$-x=\frac{9}{5}$

$x=\frac{-9}{5}$

$x=-1\frac{1}{5}$

therefore the value of x is $-1\frac{1}{5}$

Option Negative 1 and four-fifths is correct

That is $x=-1\frac{1}{5}$

3 0

3 years ago

Read 2 more answers