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scoundrel [369]

2 years ago

6

Can someone please help me with this? Tysm!! ^^

2 answers:

DIA [1.3K]2 years ago

4 0

How many feet is this?
90 feet
How many inches is this?
1080 inches

garik1379 [7]2 years ago

3 0

Answer:

<em><u>90 </u></em><em><u>feet</u></em>

<em><u>1080 inches</u></em>

Step-by-step explanation:

I hope it helps you!

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What is the domain of the function y = log(x + 3)?

nata0808 [166]

Find the domain of

y = log(x + 3)

Logarithms can only be taken for positive numbers. So you must have

x + 3 > 0

x > – 3 ✔

So the domain of the function is

D = {x ∈ R: x > – 3}

or using the interval notation

D = (– 3, +∞)

I hope this helps. =)

9 0

4 years ago

Read 2 more answers

Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x.

charle [14.2K]

ANSWER

See below

EXPLANATION

Given

$f(x) = \frac{ {x}- 9 }{x + 5}$

and

$g(x) = \frac{ - 5x - 9}{x - 1}$

$(f \circ \: g)(x)= \frac{ (\frac{ - 5x - 9}{x - 1})- 9 }{(\frac{ - 5x - 9}{x - 1} )+ 5}$

$(f \circ \: g)(x)= \frac{ \frac{ - 5x - 9 - 9(x - 1)}{x - 1}}{\frac{ - 5x - 9 + 5(x - 1)}{x - 1} }$

Expand:

$(f \circ \: g)(x)= \frac{ \frac{ - 5x - 9 - 9x + 9}{x - 1}}{\frac{ - 5x - 9 + 5x - 5}{x - 1} }$

$(f \circ \: g)(x)= \frac{ \frac{ - 5x - 9x + 9 - 9}{x - 1}}{\frac{ - 5x + 5x - 5 - 9}{x - 1} }$

$(f \circ \: g)(x)= \frac{ \frac{ - 14x }{x - 1}}{\frac{ -14}{x - 1} }$

Since the denominators are the same, they will cancel out,

$(f \circ \: g)(x)= \frac{ - 14x}{ - 14} = x$

8 0

3 years ago

Find the sum of the angle measures:<br> MZDEB + m2AEC

Alex_Xolod [135]

Answer:

i don't know

Step-by-step explanation:

you confused me

6 0

3 years ago

PLEASE HELP WITH MY MATH!

Marta_Voda [28]

-2^6-(6)^2= -100. Hope this helps have a great day. :)

8 0

3 years ago

Read 2 more answers

-7x+4= 18<br> set notation<br> interval notation

denpristay [2]

Answer:

Step-by-step explanation:

-7x+4=18

-7x=14

Divide-7 on both sides of the equal sign which is going to leave you with x=-2

7 0

3 years ago