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Andru [333]
2 years ago
5

What is the inverse of the function f(x) = 4x + 8?

Mathematics
1 answer:
sp2606 [1]2 years ago
6 0

eplace f(x) with y

swtich x and y

solve for y

replace y with f⁻¹(x)

f(x)=4x+8

y=4x+8

x=4y+8

x-8=4y

1/4x-2=y

y=1/4x-2

f⁻¹(x)=1/4x-2

none of the above

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Lyrx [107]

Answer:

A

Step-by-step explanation:

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desmos.com

5 0
3 years ago
The elevation of city A is 72 feet above sea level; the elevation of City C is 24 feet above sea level. The elevation of city D
emmasim [6.3K]

Answer:

<h2> D=C/4</h2>

Step-by-step explanation:

Given that elevation of the cities are

A=72 feet

C=24 feet

D=1/4 of C

The expression for the elevation of city D is

D=C/4

substituting C=24 in the expression we have

D=24/4

D=6

The answer is positive because the elevation is above sea level

7 0
3 years ago
Maria makes $16 per hour. She gets a 18% raise. What is her new hourly<br> rate?
Mariana [72]

Answer:

$18.88 per hour.

Step-by-step explanation:

We first need to find 18% of $16.

16 * 0.18 = 2.88

The pay rate increases by $2.88.

$16 + $2.88 = $18.88

Hope this helps.

8 0
2 years ago
Help pl pls pls pls pls
Svetllana [295]

Answer:

they are both a function

Step-by-step explanation:

because i did this back in 8th grade

8 0
2 years ago
Please help............... :)
ZanzabumX [31]

Answer:

False

Step-by-step explanation:

Let's list all the odd numbers less than 15.

13, 11, 9, 7, 5, 3, 1

Prime numbers are numbers that can only be multiplied by 1 and themselves. But, we can see, that 9 can be multiplied by 3 and 3, making it a not-prime number (sorry I don't remember the exact name for that, I'm blanking out).

The number 9 makes that statement false.

Hope I helped! ouo.

~Potato.

Copyright Potato 2019.

4 0
3 years ago
Read 2 more answers
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