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stiks02 [169]
2 years ago
12

Please help I will give a medal

Mathematics
2 answers:
densk [106]2 years ago
8 0

Answer:Function 1 has the least minimum value and its coordinates are (-1, -3).

Step-by-step explanation:

Any quadratic function can be written in the form:

f(x)=ax^{2} +bx+c

The x of the vertex can be fiund by x=-b÷2a

Function 1 is given by:f(x)=4x^{2} +8x+1

Comparing the quadratic equations we have a=4,b=8,c=1.

The x of the vertex is -b÷2a=-8÷2(4)=- 8÷8= -1.

The y of the vertex can be found by substituting x= -1 in the original function and solving for y.

y=4(-1^{2} )+8(-1)+1=-3

Vertex of f(x)=(-1,-3)

For function g(x) minimum is at (0,0)

Hence Function 1 has the least minimum value and its coordinates are (-1, -3).

Tanya [424]2 years ago
4 0
Funtion ! in vertex form is given by
<span>f(x) = 4x^2 + 8x + 1</span> = 4(x^2 + 2x + 1/4) = 4(x^2 + 2x + 1 + 1/4 - 1) = 4(x + 1)^2 + 4(-3/4) = 4(x + 1)^2 - 3
Thus, the least minimun value is (-1, -3)
Also, the least minimum value of function 2 is (-1, 0)

Therefore, function 1 has the least minimum value at (-1, -3)
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Mickey and Donald earn $53 weekend after taxes Mickeys share is seven dollars greater than Donald's how much does Donald earn ea
igor_vitrenko [27]

Donald earns $23 each weekend and Mickey earns $30.

Step-by-step explanation:

Given,

Money earned by Mickey and Donald = $53

Let,

Share of Mickey = x

Share of Donald = y

According to given statement;

x+y=53    Eqn 1

x = y+7     Eqn 2

Putting value of x from Eqn 2 in Eqn 1

(y+7)+y=53\\y+7+y=53\\2y=53-7\\2y=46

Dividing both sides by 2

\frac{2y}{2}=\frac{46}{2}\\y=23

Putting y=23 in Eqn 2

x=23+7\\x=30

Donald earns $23 each weekend and Mickey earns $30.

Keywords: linear equation, substitution method

Learn more about linear equations at:

  • brainly.com/question/10990024
  • brainly.com/question/11007572

#LearnwithBrainly

8 0
3 years ago
Eight workers are hired to harvest strawberries from a field.Each is given a plot which is 9*6 feet in size. What is the total a
GrogVix [38]
Since the equations for area is A= L*W 

A= 9*4= 54
3 0
3 years ago
You have 12 CDs and choose 4 of them to play one evening. How many
e-lub [12.9K]

Answer:

3 orders of CDs

Step-by-step explanation:

So if you have 12 CDs and you are choosing 4 for one evening you get 8 more CDs for 3 evening.So what i did is 12 - 4 and it is equal to 8 CDs and  You divide 4 in to 12 and it gives you 3.Your answer is 3 order of CDs because the question is asking how many order of CDs are possible for playing 4 CDs?

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3 years ago
Developmental norms are used as a benchmark to determine where one should be developmentally. Please select the best answer from
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True

Step-by-step explanation:

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8 0
2 years ago
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anygoal [31]

Answer:

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Step-by-step explanation:

5x + y = 8

5 + 3 = 8 so thats correct

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so only 1 is correct

5 0
3 years ago
Read 2 more answers
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