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QveST [7]
3 years ago
6

Which of the following is true for f(x) = –2sin(x) – 3?

Mathematics
1 answer:
Finger [1]3 years ago
8 0

Answer: Option C is correct!

Step-by-step explanation:

The range of function is [-1,-5]  . so first option is incorrect.

Since graph of the function f(x)=-2sin(x) is shifted down by 3 because of -3

therefore  option B is incorrect.

Period of the given function is 2pi because here b =1 and period of sinx function is given by \frac{2\pi }{b} therefore option  D is also incorrect

Period of the function f(x) is always  absolute value number in front  of sinx  which is given to be  2 here therefore option C is correct.!

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A survey determined that 7/18 of the seventh grade students at Mills Middle School preferred round chocolate candies to hard can
andre [41]

Answer:

The correct answer is C) 5/18

Step-by-step explanation:

In order to find this answer, you need to take the fraction that answered it on the first try and subtract the number that changed their mind.

7/18 - 1/9

In order to complete this operation, you need to give them common denominators.

7/18 - 2/18 = 5/18


8 0
2 years ago
Which is the order of rotational symmetry for a rhombus
Dennis_Churaev [7]

Answer:

Order 2.

Step-by-step explanation:


5 0
3 years ago
Please Help me! Algebra 1
dem82 [27]

Option a: The number of bacteria at time x is 0.

Option b: An exponential function that represents the population is y=200(1.5)^x

Option c: The population after 10 minutes is 11534(app)

Explanation:

It is given that the coordinates of the graph are (0,200), (1,300) and (2, 450)

Option a: To determine the number of bacteria x when y = 200

From the graph, we can see that the line meets y = 200 when x = 0

Thus, the coordinates are (0,200)

Hence, the number of bacteria at time x is 0 when y = 200.

Option b: Now, we shall determine the exponential function of the population.

The general formula for exponential function is y=a \cdot b^{x}

Where a is the starting point and a=200

b is the common difference.

To determine the common difference, let us divide,

\frac{300}{200} =1.5

Also, \frac{450}{300} =1.5

Hence, the common difference is b=1.5

Thus, substituting the values a=200 and b=1.5 in the formula y=a \cdot b^{x},

we have, y=200(1.5)^x

Hence, An exponential function that represents the population is y=200(1.5)^x

Option c: To determine the population after 10 minutes, let us substitute x=10 in y=200(1.5)^x, since the x represents the population of the bacteria in minutes.

Thus, we have,

\begin{aligned}y &=200(1.5)^{x} \\&=200(1.5)^{10} \\&=200(57.67) \\&=11534\end{aligned}

Hence, the population after 10 minutes is 11534(app)

7 0
3 years ago
How do you solve 2sin^2θ = 1 ?
Murrr4er [49]

The value of θ is 45 degrees as sin45° is equal to 1/√2.

<h3>What is trigonometric equation?</h3>

Trigonometric equation refers to an equation consists of a number of trigonometric ratios whose angle is unknown.

<h3>What is the ranges of trigonometric angle?</h3>

Generally trigonometric angles are represented by θ. while solving equations we get the values of θ ranges from 0 degree to 90 degrees.

Given, 2sin²θ = 1

solving the equation

      sin²θ = 1/2

     sinθ = 1/√2

we know sin45° has a specific value 1/√2

   sinθ = sin 45°

now, θ = 45°

hence, the solution is θ = 45 degrees.

to know more about trigonometric ratios and values visit

the link: brainly.com/question/29755110

#SPJ4

5 0
1 year ago
Select the ZEROS of the function below. Choose two answers. (See photo)
ella [17]

x^2 +7x +10

when factored becomes

(x+2) (x+5)

 the zeros are x +2 = 0, x = -2

x +5 = 0 x = -5

zeros are -2 and -5


4 0
3 years ago
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