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2 years ago

14

Write a function rule for the relationship between the amount of plant food remaining, f(x), and the number of days that have pa

ssed, x. Type the correct answer in the box.

1 answer:

damaskus [11]2 years ago

6 0

Answer:

f(x) = 72-12x

Step-by-step explanation:

this might be too late but it could be useful for future people

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Anastasy [175]

Solving for x
x= -30/5
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4 0

3 years ago

Help?! Will mark brainliest

ycow [4]

Answer:

Number 3 is x=1.8

Number 4 is x=45

6 0

2 years ago

Read 2 more answers

D is the midpoint of CE. If CD= 2x+10 and DE =3x-18, find x and CE<br><br> x=<br> CE=

Veseljchak [2.6K]

Answer:

<h2>x = 28</h2><h2>CE = 132</h2><h2 />

Step-by-step explanation:

|<------------- CE -------------------->|

C-------------------D-------------------E

2x + 10 3x - 18

2x + 10 = 3x - 18

2x - 3x = -18 - 10

-x = -28

x = 28

CE = 2x + 10 + 3x - 18

CE = 2(28) + 10 + 3(28) - 18

CE = 56 + 10 + 84 - 18

CE = 132

3 0

3 years ago

21 + (-21) + (-4) please help me out with this question

max2010maxim [7]

Answer:

-4

Step-by-step explanation:

Adding 21 and -21 cancel each other out so you're left with -4

4 0

3 years ago

F(x)= 5x^2+6, g(x)= 7x find (f o g)(x), find (g o f)(x), find f(g(-4)), fine g(f(5))

KiRa [710]

$(f o g)(x) = 245x^2+6\\(g o f)(x) = 5x^2+42\\ f(g(-4)) = 3926\\g(f(5)) = 917$

Step-by-step explanation:

Given

$f(x) = 5x^2+6\\g(x) = 7x$

So

$(f o g)(x) = 5(7x)^2+6\\= 5(49x^2)+6\\=245x^2+6\\(g o f)(x) = 7(5x^2+6)\\= 35x^2+42\\(fog(x))=245x^2+6f(g(-4)) = 245(-4)^2+6 \\=245(16)+6\\=3920+6\\=3926\\g(f(x)) = 35x^2+42\\g(f(5)) = 35(5)^2+42\\=35(25)+42\\=875+42\\=917$

Hence,

$(f o g)(x) = 245x^2+6\\(g o f)(x) = 5x^2+42\\ f(g(-4)) = 3926\\g(f(5)) = 917$

Keywords: functions, Function composition

Learn more about functions at:

#LearnwithBrainly

7 0

3 years ago