3 years ago

Round to the nearest thousand using number line

Mathematics

1 answer:

docker41 [41]3 years ago

4 0

Ummm this has to be in your textbook

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Given the arithmetic sequence where a_{1} = - 5 and d = 6 , what is a_{5} ?

dexar [7]

A_{5} = a_{1} + 4d = -5 + 4 x 6 = 19

3 0

1 year ago

Find a formula for the inverse of the function. f(x) = e^6x − 9

STatiana [176]

Answer:

$f^{-1}(x)=\frac{1}{6}\ln(x+9)$

Step-by-step explanation:

So we have the function:

$f(x)=e^{6x}-9$

To solve for the inverse of a function, change f(x) and x, change the f(x) to f⁻¹(x), and solve for it. Therefore:

$x=e^{6f^{-1}(x)}-9$

Add 9 to both sides:

$x+9=e^{6f^{-1}(x)}$

Take the natural log of both sides:

$\ln(x+9)=\ln(e^{6f^{-1}(x)})$

The right side cancels:

$\ln(x+9)=6f^{-1}(x)$

Divide both sides by 6:

$f^{-1}(x)=\frac{1}{6}\ln(x+9)$

And we're done!

7 0

3 years ago

How find derivative of function: y=arcsin(2x+1)<br> ...?

Setler [38]

$( \arcsin{x})'= \frac{1}{ \sqrt{1-x^2} } 
\\
\\ (\arcsin{(2x+1)})'= \frac{1}{ \sqrt{1-(2x+1)^2} } (2x+1)'= \frac{2}{ \sqrt{1-(4x^2+4x+1)} } =
\\
\\= \frac{2}{ \sqrt{-4x^2-4x} } =\frac{2}{ \sqrt{4x(-x-1} )} =\frac{2}{ 2\sqrt{x(-x-1} )} =\frac{1}{ \sqrt{x(-x-1} )}$

3 0

3 years ago

-5/6x=20 simplified plz help step

Nuetrik [128]

Answer:

x= -1/24

Step-by-step explanation:

-5/6x = 20

-5 = 6x × 20

-5 = 120x

-5/120 = x

-1/24 = x

5 0

3 years ago

Read 2 more answers

Fill in the missing term on each line. Simplify any fractions.

e-lub [12.9K]

Answer:

Step-by-step explanation:

4t + 11 = 19

Subtract 11 from both sides

4t = 19 - 11

4t = 8

Divide both sides by 4

t = 8/4

t = 2

7 0

2 years ago