Which option is a function

Answers

Answer 1

Answer: (x,y)
for every x there is exatly 1 y
basically, x never repeats with a differnt y

first one works, no x's repeart

2nd is not, 1 repeats wwth 9 and -4

3rd is correct

4th is wrong, 0 repreats with 3 and 7

5th is correct

so the functions are 1st 3rd 5th

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Solve the equation . (-2 1/7)p=-3
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What is the most accurate representation of the area of a plot measuring 11.7 cm by 15.4 cm?
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A construction worker tosses a brick from a tall building. The brick's height (in meters above the ground) t tt seconds after being thrown is modeled by h ( t ) = − 5 t 2 + 20 t + 105 h(t)=−5t 2 +20t+105h, left parenthesis, t, right parenthesis, equals, minus, 5, t, squared, plus, 20, t, plus, 105 Suppose we want to know the height of the brick above the ground at its highest point. 1) Rewrite the function in a different form (factored or vertex) where the answer appears as a number in the equation. h ( t ) = h(t)=h, left parenthesis, t, right parenthesis, equals 2) At its highest point, how far above the ground was the brick?

Answers

The vertex form of the equation is h(t) = -5 ( t - 2)² + 104.

At its highest point, the brick was 101 meters above the ground.

What is the vertex form of a quadratic function?

The factored form of a quadratic function is given as:

f(x) = a(x – h)2 + k

where a, h, and k are constants.

We have,

h(t) = -5t² + 20t + 105

h(t) = -5 ( t² - 4t ) + 105

h(t) = -5 ( t² - 4t + 2² ) - 2² + 105

h(t) = -5 ( t - 2 )² - 4 + 105

h(t) = -5 ( t - 2 )² + 101 _____(1)

The vertex form of the equation is h(t) = -5 ( t - 2)² + 104.

From equation (1) we can say that at its highest point the brick was at

101 meters above the ground.

Thus,

The vertex form of the equation is h(t) = -5 ( t - 2)² + 104.

At its highest point, the brick was 101 meters above the ground.

Learn more about quadraticequations here:

brainly.com/question/18804178

#SPJ5

Answer:

h(t)=−5(t−2)^2+125, 125

Step-by-step explanation:

Can someone help me?

Answers

Answer:

Problem 1:

The student is wrong, the lines have NO SOLUTION, infinite solutions, because the lines don't intersect in any areas.

Problem 2:

The student is correct, because the lines intersect at (-3,-2)

Step-by-step explanation:

10(x+3)=9
mmmmmmmmmmmmmmmmm

Answers

divide both sides by 10
x+3=0.9
minus 3
x=2.1

Solutions

Divide both sides by 10

x+3=9 / 10

Subtract 3 from both sides

x=9 / 10 −3

Simplify 9 / 10 −3 to −21 / 10

x=−21 / 10

Decimal = -2.1

Please help . Easy 7th grade work , I’ll give brainliest

Answers

Answer:

3. the answer is 5 degrees

4. 8 points

5. 56

6.24

Step-by-step explanation:

Suppose you are going to graph the data in the table below. What data should be represented on each axis, and what would be the appropriate increments? Year Profit 2003 $100,000 2004 $55,000 2005 −$45,000 2006 $110,000 2007 $330,000 2008 $800,000 2009 $242,000 2010 −$11,000 2011 $285,000

Answers

The right answer for the question that is being asked and shown above is that:

The value in the x axis will be the Year.
The value in the y axis will be the Year Profit.

The increment on the x axis will as is.
The increment on the y axis can either be $50,000.

The equation |x − 8| = 3 represents the minimum and maximum percent of people in a survey who are undecided about an issue. What percent of the people in the survey are undecided about an issue?

Answers

The equation represents the minimum x = 5 or 0.05% and maximum percent x = 11 or 0.11% of people in a survey who are undecided about an issue.

Given that,

Equation |x − 8| = 3 ,

The minimum and maximum percent of people in a survey who are undecided about an issue.

We have to find,

What percent of the people in the survey are undecided about an issue.

According to the question,

Equation, |x − 8| = 3

The equation with mod solving two time with positive and negative sign.

On solving the equation,

$x - 8 = 3\n$

Adding 8 both the sides,

$x - 8 + 8 = 3 +8\nx = 11$

And Again solving with (-) sign,

$- (x-8) = 3\n-x + 8 = 3$

Subtract 8 from both sides,

$-x + 8 - 8 = 3-8\n- x = -5$

Divided by (-) both the sides,

x = 5

The minimum 0.05%.

Hence, The equation represents the minimum x = 5 or 0.05% and maximum percent x = 11 or 0.11% of people in a survey who are undecided about an issue.

For more information about ModulusFunction click the click given below.

brainly.com/question/14070556

| x - 8| = 3

x - 8 = 3 - (x - 8) = 3
x = 3 + 8 -x + 8 = 3
x = 11 -x = 3 - 8
-x = - 5
x = 5

Minimum : 5% Maximum : 11% if u need them added it is 16%

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