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alex41 [277]
2 years ago
13

Look at the stem-and-leaf plot. What is the range of the numbers?

Mathematics
2 answers:
leonid [27]2 years ago
8 0
The range is C. 25.
Maslowich2 years ago
4 0

Answer: The range is C, 25.

Explanation: The greatest number is the last stem and the last leaf on the chart. In this case, the largest number is 35. To find the range, subtract the smallest number from the largest number. This difference will give you the range.

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Write the inverse function for the function, ƒ(x) =1/2x + 4. Then, find the value of ƒ^ -1(4). Type your answers in the box.
Kipish [7]

Answer:

f⁻¹(x) = 2x - 8

f⁻¹(4) = 2 × 4 - 8

f⁻¹(4) = 0

Step-by-step explanation:

f(x) = \frac{1}{2} x + 4\\x = \frac{1}{2} f^{-1}(x) + 4\\x - 4 = \frac{1}{2} f^{-1}(x)\\2x - 8 = f^{-1}(x)\\f^{-1}(x) = 2x - 8

Let's test it

f^{-1}(f(x)) = 2(f(x)) - 8\\f^{-1}(f(x)) = 2( \frac{1}{2}x + 4) - 8\\f^{-1}(f(x)) = \frac{2}{2}x + 8 - 8\\f^{-1}(f(x)) = x

So we do indeed have the inverse function, so using that we can plug in the values requested:

f⁻¹(x) = 2x - 8

f⁻¹(4) = 2 × 4 - 8

f⁻¹(4) = 0

4 0
3 years ago
Is 144 a perfect square or not​
Rina8888 [55]

Answer: Yes

Step-by-step explanation: 144 is a perfect square. In other words, it's possible to find a whole number that can be multiplied by itself that gives us 144.

In this case, we multiply 12 by 12 or 12² to get 144 which means 144 is a perfect square. Also, it's on our perfect square list which I will attach below.

6 0
3 years ago
Mr. Hauseman has 17 students in his class, three of which are freshman and the others are sophomores and juniors. He is going to
Grace [21]

Answer:

17 I think because as know that 34-17 is 17.

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Manuela solved the equation below.
Leni [432]

Answer: the answer is really -8 (A)

Step-by-step explanation: because how do 0 make since u can't divide 3x and -8

3 0
3 years ago
Read 2 more answers
A robin perched in a tree 40 feet above sea level. Directly below the robin, a seagull is flying 13 feet above sea level. Direct
katrin [286]

Answer:

See explanation

Step-by-step explanation:

The question is incomplete. However, I'll solve on a general terms.

Since the robin, seagull and fish are on directly below one another; a possible question could be to calculate the distance between the robin and the clownfish

The given parameters are:

Robin = +40ft

Seagull= +13ft

Clownfish= -33ft

+ represents above sea level while i represents below

The distance is then calculated as:

Distance = Robin - Clownfish

Distance = +40ft - (-33ft)

Distance = +40ft +33ft

Distance = 73\ ft

7 0
3 years ago
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