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3 years ago

Domain range and function

Mathematics

1 answer:

aleksandrvk [35]3 years ago

6 0

Step-by-step explanation:

Look at the picture.

$\bold{DOMAIN:}\ 3\leq x$

Function? NOT, because for x∈(3, 5) the relation has two values of y.

The vertical line test.

If the vertical line you drew intersects the graph more than once for any value of x then the graph is not the graph of a function (picture 2).

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To get from your house to your grandparent’s house you must avoid walking through a pond. To avoid the pond, you walk 5 meters s

marishachu [46]

The meters that would be saved is 17 meters

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3 years ago

Read 2 more answers

Alex has 70% of her weekly paycheck

drek231 [11]

Answer:

$50

Step-by-step explanation:

Weekly paycheck to be deposited = 70%

This week's deposit = $35

Therefore, we have to determine how much is Alex weekly paycheck.

To find this, we have to use unitary method.

According to the Question

Total weekly paycheck = (total deposit/ percentage to be deposited)

Therefore, Weekly paycheck = ($35/70%)

Weekly paycheck = $50.

It means Alex gets $50 per week.

4 0

3 years ago

-4x + 11y = 15 X = 2y Solve using substitution X = Y=

Virty [35]

-4(2y)+11y=15, -8y+11y=3y=15: y=5

X=2(5)=10

To check your work -4(10)+11(5)=15
15=15

8 0

2 years ago

Can you solve the equation?

Andreas93 [3]

Answer:

x=3 and 9

Step-by-step explanation:

; x-3=0

x=3 (change side change mark)

and

$\frac{2}{3} x - 6 = 0$

$\frac{2}{3} x = 6$

$x = 6 \times \frac{3}{2}$

change side change mark.

So, x=9

If u wanna check the answer you can check by substitution x=3 and 9 in equation.

hope it helps you ☺️

3 0

3 years ago

6.Find the equation of the line: through: (-2, 3) and (1,5)

prohojiy [21]

Answer:

y=2/3x+4.3

Step-by-step explanation:

y=mx+c

(5-3)/(1--2)

2/3= gradient

y=2/3x +c

5=2/3(1)+c

-2/3

4.3=c

6 0

3 years ago