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Nastasia [14]
2 years ago
7

Write an expression describing her earnings for working hours

Mathematics
1 answer:
Licemer1 [7]2 years ago
4 0

Answer:

you need to explain what the question is

Step-by-step explanation:

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Write the quadratic function in standard form.<br> f(x) = -x2 + 2x + 4<br> f(x) =
goldenfox [79]

Answer:

f(x)=-1(x-2)^2+8

Step-by-step explanation:

Given:

The quadratic function is given as:

f(x)=-x^2+2x+4

The standard form of a quadratic function is given as:

f(x)=a(x-h)^2+k, where, 'a', 'h' and 'k' are real numbers.

Now, in order to convert the given function to standard form, we use completing by  square method.

-x^2+2x=-(x^2-2x)=-[(x-2)^2-2^2]=-[(x-2)^2-4]=-(x-2)^2+4

Now, f(x)=-x^2+2x+4 can be rewritten as:

f(x)=-(x-2)^2+4+4\\f(x)=-1(x-2)^2+8

Therefore, the standard form of the function is:

f(x)=-1(x-2)^2+8

7 0
3 years ago
Graph each function. State the domain and range.
kondaur [170]

Answer:

Just put it in Geogebra classic. It's an app that helps very much with functions!

7 0
2 years ago
What value of x makes the equation 5(x - 3) + 2x = 41 TRUE?
faust18 [17]

Answer: x = 8

Step-by-step explanation: PLEASE GIVEBRAINLIEST IT HELPS ALOT

7 0
2 years ago
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Pls explain<br><br> 5/6 - 8/7 - 7/10
Nadusha1986 [10]

Answer:

Step-by-step explanation:

5/6 - 8/7 - 7/10

The first step to adding or subtracting fractions is to find a common denominator among all the fractions. In this case, the largest number that has a mutiple of 6, 7 and 10 is 210.

\frac{5}{6}-\frac{8}{7}=\frac{7}{10}

\frac{175}{210}-\frac{240}{210}-\frac{147}{210}

\frac{-212}{210}

-106/105

5 0
3 years ago
Read 2 more answers
Intergrate x×(x²-3)³
Kisachek [45]

Answer:   \large \boldsymbol{\dfrac{1}{8 } (x^2-3)^4+c}

Step-by-step explanation:

\displaystyle \large \boldsymbol{}  \int\limits {x(x^2-3)^2 } \, dx =\int\limits \frac{1}{2}  {} \, (x^2-3)' (x^2-3)^3 dx  =\frac{1}{8}  (x^2-3)^4+c

4 0
3 years ago
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