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10 months ago

How does the graph of g(x)= 2^x+3differ from the graph of f(x) = 2^xАIt is moved up 3 unitsBIt is moved down 3 unitsCIt is moved

right 3 units+DIt is moved left 3 units

Mathematics

1 answer:

Readme [11.4K]10 months ago

4 0

$\begin{gathered} g(x)=2^{x+3} \\ f(x)=2^x \end{gathered}$

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Factor x^2-2x-4 PLEASE ANSWER QUICKLY!!! I WILL GIVE POINTS!!! DBA IS TODAY!!!!

Thepotemich [5.8K]

To factor x²-2x-4, you are looking to answer three questions.

1) What pair of numbers multiplies to 4?

2) What pair of numbers multiplies to 1?

3) Do these pairs when multiplied together, add/subtract to the middle term?

To answer (1), our pairs are 2 and 2, 4 and 1. Since there's a negative with 4 at the end (from question one), the signs will be opposite.

To answer (2), only pair multiplies to 1 - 1 and 1. Let's try both pairs from 1.

(x-4)(x+1) The middle term here is -3x. Nope.

(x-1)(x+4). The middle term here is 3x. Nope.

(x-2)(x+2) The middle term is 0x (or no middle term). Nope.

So x²-2x-4 does not factor.

4 0

2 years ago

10 times 250+45<br>NEED ANSWER ASAP. WILL MARK AS BRAINLEST!

777dan777 [17]

Answer:

2545

Step-by-step explanation:

8 0

2 years ago

20 people applied for a job. Everyone either has a school certificate or diploma or even both. If 14 have school certificates an

STatiana [176]

Given:

Either has a school certificate or diploma or even both = 20 people

Having school certificates = 14

Having diplomas = 11

To find:

The number of people who have a school certificate only.

Solution:

Let A be the set of people who have school certificates and B be the set of people who have diplomas.

According to the given information, we have

$n(A)=14$

$n(B)=11$

$n(A\cup B)=20$

We know that,

$n(A\cup B)=n(A)+n(B)-n(A\cap B)$

$20=14+11-n(A\cap B)$

$20=25-n(A\cap B)$

Subtract both sides by 25.

$20-25=-n(A\cap B)$

$-5=-n(A\cap B)$

$5=n(A\cap B)$

We need to find the number of people who have a school certificate only, i.e. $n(A\cap B')$ .

$n(A\cap B')=n(A)-n(A\cap B)$

$n(A\cap B')=14-5$

$n(A\cap B')=9$

Therefore, 9 people have a school certificate only.

3 0

2 years ago

Write an equation to represent the number puzzle. Use x as the

Art [367]

Answer:

It is A

Step-by-step explanation:

Equation: 5x+1=9+3x

5x+1=9+3x

-1 -1

_________

5x=8+3x

-3x -3x

________

2x=8

__ __

2 2

5 0

2 years ago

In designing a true/false test you use a random number generator to determine if the answer is true or false. This gives you a r

yan [13]

Answer:

no because

Step-by-step explanation:

the results were not tested enough

5 0

2 years ago