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3 years ago

What is the Inverse Equationf(x) =6x-1 ?? please I need help!

Mathematics

1 answer:

Scrat [10]3 years ago

5 0

Answer:

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

Step-by-step explanation:

So we have the function:

$f(x)=6x-1$

To find the inverse function, switch x and f(x), change f(x) to f⁻¹(x), and solve for f⁻¹(x). Therefore:

$f(x)=6x-1$

Switch:

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

Add 1 to both sides:

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

Divide both sides by 6:

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

And that's our answer :)

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A collectible costs an antique store merchant $150. If the store marks up the price 65%, what is the selling price of the doll?

n200080 [17]

The answer is B. 247.50$, because the 65% of 150$ is 97.5, so 150 + 97,5 = 247.5$.

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4 years ago

H/4 + 7z Variables h= 8 z = 9

kramer

Step-by-step explanation:

what do we need to do ?

just calculate the value of the expression by using the given values for the variables ?

what's the problem ? this is just basic calculation.

8/4 + 7×9 = 2 + 63 = 65

remember (please, for your life !) that multiplication and division always happens before any addition or subtraction (except for the case, where brackets force us in a different direction).

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3 years ago

Please help :/, see pictures: please no decimals

patriot [66]

Answer:

√15/√27 = √3*5/√3*3*3 = 3*√5/√9 = 3*√5/3 = √5 = 2.23 Answer .

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2 years ago

A car drove 1550 miles on 45 gallons of gas. What is the Unit Rate of miles per gallon of gas? *

mina [271]

Answer:

34.4

Step-by-step explanation:

All you need to do is divide 1,550 by 45 to find the unit rate.

1,550/45=34.4 (rounded to the nearest tenth).

I hope this helps you out...have an amazing day (*VwV)╭

6 0

3 years ago

Step by step Help ?

kondor19780726 [428]

Given:

The given figure consists of a triangle, a rectangle and a half circle.

The base of the triangle is 2 mi.

The height of the triangle is 4 mi.

The length of the rectangle is 9 mi.

The diameter of the half circle is 4 mi.

The radius of the half circle is 2 mi.

We need to determine the area of the enclosed figure.

Area of the triangle:

The area of the triangle can be determined using the formula,

$A=\frac{1}{2}bh$

where b is the base and h is the height

Substituting b = 2 and h = 4, we get;

$A=\frac{1}{2}(2\times 4)$

$A=4 \ mi^2$

Thus, the area of the triangle is 4 mi²

Area of the rectangle:

The area of the rectangle can be determined using the formula,

$A=length \times width$

Substituting length = 9 mi and width = 4 mi, we get;

$A=9 \times 4$

$A=36 \ mi^2$

Thus, the area of the rectangle is 36 mi²

Area of the half circle:

The area of the half circle can be determined using the formula,

$A=\frac{\pi r^2}{2}$

Substituting r = 2, we get;

$A=\frac{(3.14)(2)^2}{2}$

$A=\frac{(3.14)(4)}{2}$

$A=\frac{12.56}{2}$

$A=6.28$

Thus, the area of the half circle is 6.28 mi²

Area of the enclosed figure:

The area of the entire figure can be determined by adding the area of the triangle, area of rectangle and area of the half circle.

Thus, we have;

Area = Area of triangle + Area of rectangle + Area of half circle

Substituting the values, we get;

$Area=4+36+6.28$

$Area = 46.28 \ mi^2$

Thus, the area of the enclosed figure is 46.28 mi²

3 0

4 years ago

What is the Inverse Equationf(x) =6x-1 ?? please I need help!​

What is the Inverse Equationf(x) =6x-1 ?? please I need help!