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lara [203]
3 years ago
14

Which point would be reflected across the y-axis to (-3,-9)

Mathematics
1 answer:
OlgaM077 [116]3 years ago
4 0

Answer:

b

Step-by-step explanation:

when an reflected across the y axis only the x value changes and it changes negatively

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What is the domain of the function represented by the graph?
nalin [4]

Answer:

I believe its c

Step-by-step explanation:

The domain of a quadratic function is all real numbers

8 0
4 years ago
A survey asked students whether they would like a drama club, a step team, both clubs, or neither club. The results are below:
Dmitry [639]

Hi, you've asked an incomplete question. Here are the remaining questions:

a) Describe what each region in the Venn diagram represents.

Region I: In drama club, not in step team.

Region II: In both clubs.

Region III: In step team not in drama.

Region IV: Not in either club.

b) How many students were in only one of the two clubs?

c) How many students were in the drama club or in the step team?

d) How many students were surveyed?

Attached is the Venn diagram depicting the regions.

Explanation:

b) By adding the number of students that like drama club and those that like step club we can derive the answer:  34 + 27 = 61.

c) By adding 34 + 27 + those that like both (14) = 75.

d) The total number of students surveyed is gotten by summing any number in attached the diagram: 34 + 27 + 14 + 13 = 88.

7 0
3 years ago
Is 1/8 and 4/32 a proportion?
vladimir2022 [97]
Yes since 1/8 is equal to 4/32
6 0
3 years ago
Read 2 more answers
Which of the following is true about the sequence graphed below?
matrenka [14]

Answer:

Step-by-step explanation:

The sequence is arithmetic because the terms have a common difference.

Hopes this helps:)

5 0
3 years ago
Estimate the minimum number of subintervals to approximate the value of Integral from negative 3 to 3 (2 x squared plus 9 )dx wi
vichka [17]

Answer:

The value of n for (a) n=425. (b) n=0.

Step-by-step explanation:

Given integration is,

\int_{-3}^{3}f(x)=\int_{-3}^{3}(2x^2+9)dx

(a) For Trapezoidal Rule : Composite error is,

E_T=-\frac{(b-a)^3}{12n^2}f''(x_m)

Where, f''(x_m)=greatest value of |f''(x)|= |4|=4, a=-3, b=3. Therefore to find the minimum number of subinterval,

|E_T|\leq | \frac{(b-a)^3}{12n^2}f''(x)||

\leq \frac{4(-3-3)^3}{12n^2}

=\frac{72}{n^2}

According to the question, we must choose n such that,

\frac{72}{n^2}

\implies n>424.2640686

So we can take n=425.

(b) For Simpson 1/3 rule : Composite error is,

E_S=-\frac{(b-a)^5}{180n^4}f^{(iv)}(x_m)

where, f^{(x_m)}=\textit{greatest value of} |f^{(iv)}(x)|

In this problem f^{(iv)}(x)=0, so that,

|E_S|\leq 0

that is there exist no error. So n=0.

6 0
3 years ago
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