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3 years ago

Which set of ordered pairs represents a function?

Mathematics

1 answer:

Papessa [141]3 years ago

8 0

Answer:

{(3,6),(2,1),(-8,4),(2,0)}

Step-by-step explanation:

when determining if a set of points is a function

determine if any of the x values or y values repeat. if they do then it is not a function because it will not pass the function like test. (which is where you can draw a line trough the function and it will hit more than once.

none if the x values repeat and none if the y values do either.

x values : 3,2,-8,2

y values: 6,1,4,0

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Murrr4er [49]

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4 years ago

Find the absolute maximum and minimum of the function on the given domain. f (x comma y )equals 8 x squared plus 7 y squared on

pickupchik [31]

Answer:

the maximum value is 7

The minimum value is 0

Step-by-step explanation:

Step One : Interpret the question

The above question can be written like

The Equation

$f(x,y) = 8x^2 +7y^2$

The diagram of the triangular plate and the bounded lines is shown on the first uploaded image

From the diagram $f(0,0) = 8(0)^2 +7(0)^2 =0$

$f(1,0) =8(1)^2 + 7(0)^2 = 8$

$f(0,1) =8(0)^2 + 7(1)^2 = 7$

Partial differentiation of the equation w.r.x

$A =\frac{\delta f}{\delta x } = 16x$

Partial differentiation of the equation w.r.y

$B =\frac{\delta f}{\delta y } = 14y$

Looking at the diagram the maximum value is 7 i.e at (x , y) = (0,1)

The minimum value is 0 i.e (x , y) = (0,0)

3 0

3 years ago

Multiply the polynomials (x + 6)(2x - 2). What is the product in the form ax2 + bx +c?

daser333 [38]

Answer:

x² + 10x - 12

Step-by-step explanation:

Each term in the second factor is multiplied by each term in the first factor, that is

x(2x - 2) + 6(2x - 2) ← distribute both parenthesis

= 2x² - 2x + 12x - 12 ← collect like terms

= 2x² + 10x - 12

8 0

3 years ago

Jackson needs to ride his bike to his friends house 96 miles away. He is riding at an average rate of 15 miles per hour. he has

Furkat [3]

Answer:

No, he will not make it.

Step-by-step explanation:

Distance: 96 miles

MPH or speed: 15mph

Time Limit: 6 Hours

15 x 6 = 90

In 6 hours, he will have only traveled 90 miles.

Hope this helps!

4 0

3 years ago

Read 2 more answers

a students cost for last semester at her community college was 2000. she spent 300 of that on books. what percent of lasts semes

OLEGan [10]

Answer:

(reasons why im not going to collage)

Step-by-step explanation:

300/2000=.15

she spent 15 % on books

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3 years ago