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2 years ago

PLEASE HELP 100 POINTS

Mathematics

1 answer:

Olin [163]2 years ago

4 0

Answer:

see below

Step-by-step explanation:

$f(x)=2/x\\\\g(x)=2/x\\\\f(g(x))=f(2/x)\\\\f(2/x)=2/(2/x)\\\\f(g(x))=2x/2\\\\f(g(x))=x\\\\$

and since f(x)=g(x) the same process applies to g(f(x))

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PolarNik [594]

Answer:

Cutting down a forest for farmland

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2 years ago

!!PLEASE HELP MY PARENTS ARE MAD AT ME FOR MY GRADES!! f( x) = -3 x – 5, calculate f(-7)

Stolb23 [73]

Answer:

Step-by-step explanation:

plugin -7 for where x is

f(-7)= (-3)(-7)-5

=21-5 is 16

4 0

2 years ago

Read 2 more answers

After a 20% discount and 5% sales tax, a book costs $16.80. What was the original price of the book?

natka813 [3]

<u>Answer:</u>

19.15

<u>Step-by-step explanation:</u>

16.80 x 5% = 0.84

16.80 - 0.84 = 15.96

15.96 x 20% = 3.19

15.96 + 3.19 = 19.15

8 0

3 years ago

Determine the equations of the vertical and horizontal asymptotes if any for h(x)=(x+1)^2/x^2-1

shepuryov [24]

ANSWER

Vertical asymptote:

x=1

Horizontal asymptote:

y=1

EXPLANATION

The given rational function is

$h(x) = \frac{ {(x + 1)}^{2} }{ {x}^{2} - 1 }$

$h(x) = \frac{ {(x + 1)}^{2} }{ ({x} - 1)(x + 1)}$

$h(x) = \frac{ (x + 1)(x + 1) }{ ({x} - 1)(x + 1)}$

$h(x) = \frac{ x + 1}{ {x} - 1}$

The vertical asymptote occurs at

${x} - 1 = 0$

$x = 1$

The vertical asymptotes is x=1

The degree of the numerator is the same as the degree of the denominator.

The horizontal asymptote of such rational function is found by expressing the coefficient of the leading term in the numerator over that of the denominator.

$y = \frac{1}{1}$

y=1

8 0

2 years ago

A town's employment statistics show that 855 of its residents were unemployed last month. This is a decrease of 25% from the pre

Leona [35]

Decrease of 25% means only 855 people? Okay, so you want to backtrack. If you divide by 25% you’re going to get what it was for a 75% decrease. So divide by .75 instead. 855/.75 = 1140 unemployed residents last month

6 0

1 year ago