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Dafna1 [17]
2 years ago
7

SOMEONE PLEASE HELP ME I WILL GIVE BRAINLY

Mathematics
2 answers:
velikii [3]2 years ago
6 0

Answer:

C

Explanation:

A function always goes along the x-axis and never repeats

A, B and D repeat on the x-axis so C is your answer

xxMikexx [17]2 years ago
3 0
C have a wonderful day and good luck with school :)
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Simplify the following expression:
Salsk061 [2.6K]

Simplification form of the provided expression is -x⁴-2x³+2x+5 option (B) is correct.

<h3>What is an expression?</h3>

It is defined as the combination of constants and variables with mathematical operators.

The options are:

A) -x⁴ - 2x - x + 2

B) -x⁴ - 2x³ + 2x + 5

C) -2x³ + 1

D) -x - 2x² + 2x + 5

We have an expression:

= (x + 3) - [(x + 2)(x³ - 1)]

\rm =x+3-\left(x+2\right)\left(x^3-1\right)

\rm =x+3-x^4+x-2x^3+2

\rm =-x^4-2x^3+2x+3+2

\rm =-x^4-2x^3+2x+5

Thus, simplification form of the provided expression is -x⁴-2x³+2x+5 option (B) is correct.

Learn more about the expression here:

brainly.com/question/14083225

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5 0
2 years ago
Answer question 2 please
julia-pushkina [17]

Answer:

163.2

Step-by-step explanation:

D

4 0
2 years ago
Determine whether the sequence converges or diverges. If it converges, find the limit. (If an answer does not exist, enter DNE.)
In-s [12.5K]

Answer:

The sequence diverges.

Step-by-step explanation:

A sequence a_{n} converges when \lim_{n \rightarrow \infty} a_{n} is a real number.

In this question, the sequence given is:

a_{n} = 4n\cos{(7n\pi)}

The cosine is always going to be between -1 and 1, so for the convergence of the sequence, we look it as: a_{n} = 4n. So

\lim_{n \rightarrow \infty} a_{n} = \lim_{n \rightarrow \infty} 4n = \infty

Since the limit is not a real number, the sequence diverges.

5 0
2 years ago
Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.
Solnce55 [7]
On the first day of school last year, Cody was 148.5 cm tall.
7 0
2 years ago
The sum of two numbers is 50 and their difference is 4 what are the two numbers
Deffense [45]

Answer:

27 and 23

Step-by-step explanation:

We can solve this problem as a system of equations. X is the first number and Y is the second number.

The first equation is x+y = 50 and the second equation is x-y=4

Now we solve the system, using elimination method:

x+y=50

x-y=4

2x = 54

x = 54/2

x = 27

And from any of the equations we can find Y

27 + y = 50

y = 50 - 27

y = 23

6 0
3 years ago
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