3 years ago

When writing equations in function notation, what is the variable replaced with?

Mathematics

1 answer:

Nitella [24]3 years ago

7 0

Answer:

f(x) x+30000

Step-by-step explanation:

the first two all i know

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X, y, and z are points on a line in order. if xy=20 and yz is 30 more than xy, what does zx equal?

-BARSIC- [3]

I think it should equal 70 but not 100%

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3 years ago

1. y2 + 5y –24 stem by stem math please..

spayn [35]

Answer:

(y+8) (y-3)

Step-by-step explanation:

y2+5y-24

=y2+8y-3y-24

=y(y+8)-3(y+8)

=(y+8) (y-3)

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3 years ago

I need the answers ASAP

avanturin [10]

1. f(-6)=12

2. k(-4)=-68

Further explanation:

We have two functions whose values we have to find on certain points.

In order to find the values of function, the value is put in place of variable in the function.

So,

1. f(a) = -2a

We have to find, f(-6)

So putting -6 in function

$f(-6) = -2(-6)\\= 12$

2. k(x) = -3x^2+5x

We have to find, k(-4)

So putting -4 in function

$k(-4)=-3(-4)^2+5(-4)\\=(-3)(16)-20\\=-48-20\\=-68$

Keywords: Functions, values of functions

Learn more about functions at:

#LearnwithBrainly

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3 years ago

Is the square root of 87 rational of irrational?

fgiga [73]

No its irrational.The answer its irrational.

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3 years ago

What are the steps you would take to find the difference of two decimals? Write three to four sentences.

lawyer [7]

Write down the two numbers, one under the other, with the decimal points lined up.

Add zeros so the numbers have the same length.

Then subtract normally, remembering to put the decimal point in the answer.

6 0

3 years ago

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