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siniylev [52]
3 years ago
15

What is the range of the function y=2sin x

Mathematics
2 answers:
statuscvo [17]3 years ago
7 0

take the absolute value of the coefficient (2)

 then the lower bound is the negative of that (-2)

so the range is [-2,2]


Dmitrij [34]3 years ago
7 0

Answer:

Range: [-2, 2] {y | -2 ≤ y ≤ 2}

Step-by-step explanation:

The given function is y = 2sinx

We have to find the range of the given function.

Since at y-axis sine function has the variance between -1 to 1 so range of y = sinx is [-1, 1]

and if the amplitude of sine function is 2 then sine function will vary from -2 to 2 which implies that range of y = 2 sinx will be [-2, 2]

So range of y = 2sinx is [-2, 2]

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In the inequality 2x + $10,000 ≥ $70,000, x represents the salary of an employee in a school district. Which phrase most accurat
Ulleksa [173]

Options:

A. At least $30,000

B. At most $30,000

C. Less than $30,000

D. More than $30,000

Answer:

A. At least $30,000

Step-by-step explanation:

Given the inequality :

2x + $10,000 ≥ $70,000 ;

Where x salary of an employee ;

Phrase which describes the employee's salary, x

2x + 10000 ≥ 70000

2x ≥ 70000 - 10000

2x ≥ 60000

x ≥ 60000 / 2

x ≥ 30000

Salary ,x, is greater than or equal to $30000

5 0
3 years ago
2. Given f(x) = 3x – 5 and g(x) = x + 2, find f(x) * g(x) or (f*g)(x)
Advocard [28]
Hello : 
<span>f(x) ×g(x) = (3x-5)(x+2)
                = 3x²+6x-5x-10
</span>f(x) ×g(x) = 3x²+x-10<span>

              </span>
7 0
4 years ago
If s = 2 feet, then what is the surface area of the cube shown above? A. 24 square feet B. 12 square feet C. 16 square feet D. 4
lakkis [162]

Answer:

I think it is B

Step-by-step explanation:

I hope this helps.

7 0
3 years ago
Lois jumped 270 times in 6 hours. At that rate, how many times would she jump in 4 minutes?
trapecia [35]

Since Louis jumped 270 times in 6 hours this means that she jumped:

\frac{270}{6}=45

45 times per hour.

Now we need to find how many times she jumped per minute to do this we have to remember that one hour has 60 minutes then we divide the number of jumps per hour by the 60 minutes, that is:

\frac{45}{60}=0.75

This means that she jumps 0.75 times per minute. Finally to find out how many times she jumped in foour minutes we multiply the 0.75 by 4:

0.75\cdot4=3

Therefore, Louis jumped 3 times in four minutes.

4 0
1 year ago
The length of the top of a table is 7 m greater than the width. the area is 78 msquared2. find the dimensions of the table.
Zinaida [17]
Let the width = x
      the length = x+7 
 => Area equation = length x width = x(x+7) = x^2 +7x = 78
=> x^2+7x -78 = 0
=> (x-6)(x+13)=0
=> x=6 or x=-13(no)
 => the width = 6 m
=> the length = 6+7= 13 m
8 0
3 years ago
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