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3 years ago

14

What is the domain of ƒ(x) if ƒ(x) = 1 x – 4?

1 answer:

Alina [70]3 years ago

3 0

The domain would negative infinity to positive infinity . Domain would be the smallest through the largest possibly value of X. If you also need the range it’s ( -4,infinity]

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The price of a notebook was

Pie

Old price: p1 = $ 3.90;

New price: p2 = $ 3.40.

The percentual decrease is given by

d(%) = [ (p2 - p1) / p1 ] * 100 %

d(%) = [ (3.40 - 3.90) / 3.90 ] * 100 %

d(%) = [ - 0.50 / 3.90 ] * 100 %

d(%) = - 0.128 * 100 %

d(%) = - 12.8 % (approximately)

So the price fell 12.8 % approximately.

I hope this helps. =)

4 0

3 years ago

This Venn diagram shows the pizza topping preferences for 9 students. Let event A = The student likes pepperoni. Let event B = T

victus00 [196]

Answer:

$P(A\ or\ B)=\frac{7}{9}$

Step-by-step explanation:

We need to use the formula to calculate the probability of (A or B) where

A=Probability a student likes pepperoni

B=Probability a student likes olive

A and B =Probability a student likes both toppings in a pizza

A or B =Probability a student likes pepperoni or olive (and maybe both), a non-exclusive or

The formula is

$P(A\ or\ B)=P(A)+P(B)-P(A\ and\ B)$

Since 6 students like pepperoni out of 9:

$P(A) = \frac{6}{9}$

Since 4 students like olive out of 9:

$P(B) = \frac{4}{9}$

Since 3 students like both toppings out of 9

$P(A\ and\ B) = \frac{3}{9}$

Then we have

$P(A\ or\ B)=\frac{6}{9}+\frac{4}{9}-\frac{3}{9}$

$P(A\ or\ B)=\frac{7}{9}$

7 0

2 years ago

Which best describes the orthocenter of a triangle?

Sidana [21]

B. I guessing let me kno if it’s wrong

8 0

3 years ago

What Is The Least Common Denominator For The Fractions 5/12 And 7/18

weeeeeb [17]

A. 36, the reason being is because 18x 2 is 36 and 12 x 3 is 36

4 0

2 years ago

Read 2 more answers

Find the profit % if selling price is Rs 130 and profit is Rs5

Ad libitum [116K]

Answer:

3.85 % to 2 decimal places

Step-by-step explanation:

If you have Rs5 profit it means that you have sold it for 135

Do 5 / 130

Then times the answer by 100 *100

7 0

3 years ago

Read 2 more answers