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2 years ago

F(x)=2x-3 for f(x)=9

Mathematics

1 answer:

FrozenT [24]2 years ago

7 0

Answer:

Step-by-step explanation:

f(x)=2x-3, for f(x)=9

2(9)-3

18-3=

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Step-by-step explanation:

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3 years ago

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Allisa [31]

Answer:

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2 years ago

Read 2 more answers

What is the inverse of cube root x/3 +1

Ostrovityanka [42]

Answer:

${f}^{ - 1} (x) = 3 {x}^{2} - 3$

Step-by-step explanation:

We want to find the inverse of

$y = \sqrt[3]{ \frac{x}{3} + 1}$

We interchange x and y to get:

$x= \sqrt[3]{ \frac{y}{3} + 1}$

We solve for y;

${x}^{2} = \frac{y}{3} + 1$

Multiply through by 3

$3 {x}^{2} = y + 3$

Subtract 1 from both sides:

$y = 3 {x}^{2} - 3$

Therefore the inverse is

${f}^{ - 1} (x) = 3 {x}^{2} - 3$

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2 years ago

The floor of a room measures 5 meters by 7 meters. A carpet sells 285 pesos per square meter. How much would it cost to carpet t

Karo-lina-s [1.5K]

Find the area of the rug by multiplying the length by the width:

7 x 5 = 35 square meters.

Now multiply the area of the rug by the cost:

35 square meters x 285 pesos per square meter = 9,975 total pesos.

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2 years ago