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3 years ago

10

Evaluate the rational expression. Express your answer as an integer, simplified fraction, or a decimal rounded to two decimal pl

aces. If the expression does not represent a real number, indicate not a real #.

1 answer:

Lady bird [3.3K]3 years ago

5 0

Answer:

-3

Step-by-step explanation:

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GIVING BRAINLIEST!!!

const2013 [10]

Answer:

answer is A and it feels wierd to answer this

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3 years ago

Please. Answer Fast! Use composition to determine if G(x) or H(x) is the inverse of F(x) for the

s344n2d4d5 [400]

Answer:

A. H(x) is an inverse of F(x)

Step-by-step explanation:

The given functions are:

$F(x)=\sqrt{x-2}$

$G(x)=(x-2)^2$

$H(x)=x^2+2$

We compose F(x) and G(x) to get:

$(F\circ G)(x)=F(G(x))$

$(F\circ G)(x)=F((x-2)^2)$

$(F\circ G)(x)=\sqrt{(x-2)^2-2}$

$(F\circ G)(x)=\sqrt{x^2-4x+4-2}$

$(F\circ G)(x)=\sqrt{x^2-4x+2}$

$(F\circ G)(x)\ne x$

Hence G(x) is not an inverse of F(x).

We now compose H(x) and G(x).

$(F\circ H)(x)=F(H(x))$

$(F\circ H)(x)=F(x^2+2)$

$(F\circ H)(x)=\sqrt{x^2+2-2}$

We simplify to get:

$(F\circ H)(x)=\sqrt{x^2}$

$(F\circ H)(x)=x$

Since $(F\circ H)(x)=x$ , H(x) is an inverse of F(x)

3 0

3 years ago

Write the equation in slope intercept form of the line passing through the following points (0,5) and (-5, -1).

krek1111 [17]

Answer:

y = 6/5x

Step-by-step explanation:

1. $y = \frac{-1-5 }{-5-0}$

2. subtract the two number on the top of the fraction bar to get 6

3. do the same for the denominator to get 5

4. your final answer is $\frac{6}{5}$

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3 years ago

10.512×10^_3 write in proper scientific notation

IgorLugansk [536]

10512 is the answer since you just move the decimal place over to the right three times.

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3 years ago

Read 2 more answers

The cost of 6 pounds of almonds is $23.28. What is the constant of proportionality that relates y, the cost in dollars, to x, th

solniwko [45]

Step-by-step explanation:

y = 23.28/6 x

y = 3.88 x

so, the constant of proportionality is 3.88

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3 years ago