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2 years ago

15

Find the difference. Write you answer in simplest form. 9/10 - 4/10

1 answer:

enyata [817]2 years ago

6 0

Answer:

1/2

Step-by-step explanation:

hope it helps :)

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You are renting a house in the seychelles for a week at $1500. What is the cost per day?

irina [24]

Step-by-step explanation:

cost per day

= $1500 / week

= $1500 / 7 days

= $1500 ÷ 7 / 7 ÷ 7

≈ $214,29 / day

5 0

2 years ago

Possible rational roots of 4x^2+15x-54=0

avanturin [10]

Answer:

$(x + 18)(x - 3) = 0$

4 0

3 years ago

A. Use composition to prove whether or not the functions are inverses of each other. B. Express the domain of the compositions u

Kryger [21]

Given: $f(x) = \frac{1}{x-2}$

$g(x) = \frac{2x+1}{x}$

A.)Consider

$f(g(x))= f(\frac{2x+1}{x} )$

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

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

$f(\frac{2x+1}{x} )=\frac{x}{1}$

$f(\frac{2x+1}{x} )=1$

Also,

$g(f(x))= g(\frac{1}{x-2} )$

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

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

$g(\frac{1}{x-2} )= \frac{x }{1}$

$g(\frac{1}{x-2} )= x$

Since, $f(g(x))=g(f(x))=x$

Therefore, both functions are inverses of each other.

B.

For the Composition function $f(g(x)) = f(\frac{2x+1}{x} )=x$

Since, the function $f(g(x))$ is not defined for $x=0$ .

Therefore, the domain is $(-\infty,0)\cup(0,\infty)$

For the Composition function $g(f(x)) =g(\frac{1}{x-2} )=x$

Since, the function $g(f(x))$ is not defined for $x=2$ .

Therefore, the domain is $(-\infty,2)\cup(2,\infty)$

8 0

3 years ago

Direct variation equation if f(x) varies directly with x and f(x)=-18 when x=3

JulsSmile [24]

F(x)=-6x
Work:
-18÷3=-6

5 0

2 years ago

What does it mean to the rise over run when the slope is an integer?

Brilliant_brown [7]

Answer: I think it’s C.

sorry if it’s wrong❣️.

8 0

3 years ago