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3 years ago

-2 (x+2) = -2+1x = ?○ 0○ All real numbers○ No solution

Mathematics

1 answer:

nadya68 [22]3 years ago

8 0

For the equation to equal x would be -1.
x = -1

-2 (-1+2) = -2 +1
-2+1 = -2+1

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6-2(x+6)=3x+4 <br><br><br> ...............................

juin [17]

Answer:

x=−2

Step-by-step explanation:

1 Expand.

6-2x-12=3x+4

6−2x−12=3x+4

2 Simplify 6-2x-126−2x−12 to -2x-6−2x−6.

-2x-6=3x+4

−2x−6=3x+4

3 Add 2x2x to both sides.

-6=3x+4+2x

−6=3x+4+2x

4 Simplify 3x+4+2x3x+4+2x to 5x+45x+4.

-6=5x+4

−6=5x+4

5 Subtract 44 from both sides.

-6-4=5x

−6−4=5x

6 Simplify -6-4−6−4 to -10−10.

-10=5x

−10=5x

7 Divide both sides by 55.

-\frac{10}{5}=x

−

8 Simplify \frac{10}{5}

to 22.

-2=x

−2=x

9 Switch sides.

x=-2

x=−2

4 0

3 years ago

What I the range of f(x)=4^x?

nignag [31]

Answer:

We conclude that the range of the function is 'all positive real numbers'.

Thus, option (A) is true.

Step-by-step explanation:

Given the expression

$f\left(x\right)=4^x$

Determining the domain:

The domain of a function is the set of input values for which the function is real and defined.

It is clear that the given function has no undefined points nor domain constraints.

Therefore, the domain is: -∞ < x < ∞

Thus,

$\mathrm{Domain\:of\:}\:4^x\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:-\infty \:$

Determining the range:

The range is the set of values of the dependent variable for which a function is defined.

We know that the range of an exponential function of the form

$c\cdot \:n^{ax+b}+k\:\mathrm{is}\:\:f\left(x\right)>k$

$k=0$

In other words, the range is all positive real numbers.

Thus,

$\mathrm{Range\:of\:}4^x:\quad \begin{bmatrix}\mathrm{Solution:}\:&\:f\left(x\right)>0\:\\ \:\mathrm{Interval\:Notation:}&\:\left(0,\:\infty \:\right)\end{bmatrix}$

Therefore, we conclude that the range of the function is 'all positive real numbers'.

Thus, option (A) is true.

8 0

3 years ago

In geometry... :( it’s a different language to me

kvv77 [185]

I believe it is D if i am not mistaken

7 0

3 years ago

Read 2 more answers

Sharon ran 1/2 of a mile and Bruce ran 3/8 of a mile how much further did Sheron run than Bruce<br>

Nady [450]

Answer:

1/8

Step-by-step explanation:

1/2=4/8

4/8-3/8=1/8

5 0

3 years ago

Plz I need the answer

alexandr1967 [171]

The answer is 5 inches

5 0

3 years ago

-2 (x+2) = -2+1x = ?○ 0○ All real numbers○ No solution​

-2 (x+2) = -2+1x = ?○ 0○ All real numbers○ No solution