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3 years ago

Which of the following relations is a function?

1 answer:

7 0

A function will NOT have any repeating x values, it can have repeating y values, just not the x ones. So which set has NO repeating x values ?
That would be { (1,3), (2,3), (4,3), (9,3)}....like I said, there can be repeating y values....just not the x ones. All of ur other answer choices have repeating x values.

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Draw a model... write an equation and solve....this is the directions for a 4th grade math homework problem....Help?????

padilas [110]

Boxers = b
Spaniels = s

$b=s*4$
$s+b=30$

Now you have two equations - one that tells you the number of boxers in relation to spaniels and one telling you the number of each breed in relation to the total number of dogs. Solve using substitution.

$s+(4*s)=30 \\ 4s+s=30 \\ 5s=30 \\ s=6$

There are 6 spaniels.

6 0

3 years ago

What is the equation of the line that passes through the points (−2, 1) and (1, 10)?

Viktor [21]

Answer:

3x - y = -7

Step-by-step explanation:

y = mx + b

m = deltay/deltax

m = (10 - 1)/[( 1 - (-2)]

m = 9/3 = 3

y = 3x + b

From (-2 | 1) we see that when x = -2, y = 1

Placing into the equation, in order to find b (y-intercept)

y = 3x + b

1 = 3(-2) + b

b = 7

y = 3x + 7 or 3x - y = -7

6 0

3 years ago

The volume of a cone is 196π ft ^3 . It's radius is 7 ft. Find the height.

Free_Kalibri [48]

Answer:

the height is about 12

Step-by-step explanation:

plug into the equation $V=\pi r^{2}\frac{h}{3}$

4 0

3 years ago

What property of equality is used when combining like terms in an equation?

svet-max [94.6K]

The correct answer is C. Commutative Property

3 0

3 years ago

Read 2 more answers

Please help! I will mark brainliest :))

Valentin [98]

First do inside the parenthesis first.

When dividing two exponents subtract them.

15-5 = 10

So w^15 / w^5 becomes w^10

Now you have (w^10)^4

Now multiply the exponents:

10 x 4 = 40

Final answer is w^40

3 0

3 years ago