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Aneli [31]
3 years ago
7

What is the range of y = 3sinx + 3?

Mathematics
1 answer:
timama [110]3 years ago
4 0
The range of sinx is [-1; 1]

The range of 3sinx is [-3; 3]

The range of 3sinx + 3 is [0; 6]

Answer: y ∈ [0; 6]
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Which is bigger .72 or .725?
aleksley [76]
.72 
.725 would be less because it has more behind the decimal. 
.72 would be more because there are only 2 numbers behind the decimal
3 0
3 years ago
It is given that y varies inversely as x^2. If x is decreased by 50%, find the percentage change in y.
vova2212 [387]

Answer:

300%

Step-by-step explanation:

Given

y\ \alpha\ \frac{1}{x^2}

Required

Find the percentage change in y when x decreased by 50%

First, convert to equation

y\ = \ \frac{k}{x^2}

Where k is the constant of proportionality

When x decreased by 50%

Y = \frac{k}{(x - 0.5x)^2}

Y = \frac{k}{(0.5x)^2}

Y = \frac{k}{0.25x^2}

Expand

Y = \frac{1}{0.25} * \frac{k}{x^2}

Substitute \frac{k}{x^2} for y

Y = \frac{1}{0.25} * y

Y = 4 * y

Y = 4 y

The percentage change is then calculated as:

\%Change = \frac{Y - y}{y} * 100\%

\%Change = \frac{4y - y}{y} * 100\%

\%Change = \frac{3y}{y} * 100\%

\%Change = 3 * 100\%

\%Change = 300\%

<em>The percentage in y is 300%</em>

7 0
3 years ago
I NEED HELPPPPPPLLLPLEASE
RideAnS [48]

Step-by-step explanation:

variability = larger range

can you put your answer below

5 0
2 years ago
Which of these relations is a function?<br> I’m I correct??
Vlad1618 [11]

Answer:

the first one on the bottom

Step-by-step explanation:

There is a little trick to find out if it is a function or not. This trick is called the vertical line test. if you can scan the figure with a virtual line and it does not touch more than one side of the figure at one time then it is a function. if it touches more than one side or line of the figure it is not a function.

3 0
2 years ago
Please help.<br> Algebra.
navik [9.2K]
The answer is C

Explanation: each ride costs $1.25 but they don’t give a number of rides therefore the number of rides is unknown and represents X. 64 was the total value of his money before the rides. With each ride you add -1.25 to 64, which gives diminishing returns for each ride.

Hope this helps !
4 0
3 years ago
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