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3 years ago

What are the domain and range of f(x) = 2(3x)?

Mathematics

2 answers:

rosijanka [135]3 years ago

5 0

Answer:

A. Domain: (-∞,∞) Range (0,∞)

Step-by-step explanation:

: )

Morgarella [4.7K]3 years ago

3 0

The domain and range of the linear function
y = 2(3x) = 6x
are (-∞, ∞)

The domain of
2^(3x)
or of
2·3^x
is (-∞, ∞))

and the range of these exponential functions is (0, ∞)

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Solve for f. 2+1.25f=10-2.75f

Harrizon [31]

f = 2

Simplify both sides of the equation 1.25f+2=−2.75f+10

Add 2.75 to each side 4f+2=10

Subtract 2 from both sides 4f=8

Divide each side by 4 f=2

8 0

2 years ago

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One maid can clean the house four times faster than another. Working together they can clean the entire house in 4 hours. How lo

stich3 [128]

5 hours long would it take the faster maid cleaning alone.

What is a linear equation in math?

A linear equation only has one or two variables.
No variable in a linear equation is raised to a power greater than 1 or used as the denominator of a fraction.
When you find pairs of values that make a linear equation true and plot those pairs on a coordinate grid, all of the points lie on the same line.

Suppose, time taken by faster maid be x , hours.

So, time taken by slower maid ,

$x_{2} = 4x_{1}$ ( 4 time faster maid )

Now, time taken by both of the made together is given by ,

$( \frac{x_{1}x_{2} }{x_{1} + x_{2} } )$

$\frac{x_{1}(4x_{1} ) }{x_{1} + 4x_{1} } = 4 hours$

$\frac{4x_{1} }{5} = 4 hours$

$x_{1} = 5 hours$ which is the time required by faster maid.

Learn more about linear equation

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8 0

1 year ago

I need help very bad please. You guys can do any questions just tell me the number

Andrews [41]

Question 10: P=28cm

if l=8 and w=6

Then (8+6)=14
2(14) so 14x2 = 28
So therefore P=28cm

6 0

3 years ago

Diana invested $3000 in a savings account for 3 years. She earned $450 in interest over that time period. What interest rate did

In-s [12.5K]

$\bf \qquad \textit{Simple Interest Earned}\\\\
I = Prt\qquad 
\begin{cases}
I=\textit{interest earned}\to &\$450\\
P=\textit{original amount deposited}\to& \$3000\\
r=rate\to r\%\to \frac{r}{100}\\
t=years\to &3
\end{cases}
\\\\\\
450=3000\cdot r\cdot 3\implies \cfrac{450}{3\cdot 3000}=r\implies \cfrac{1}{20}=r
\\\\\\
r\%\implies \cfrac{1}{20}\cdot 100\implies r=\stackrel{\%}{5}$

5 0

3 years ago

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Jason has two bags with 6 tiles each. The tiles in each bag are shown below:

elena-s [515]

Answer:

Step-by-step explanation:

Jason- Two bags 6 tiles each = 1 bag 12 tiles

2/12 for a 5. 2 for 36.

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1 year ago