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Lesechka [4]
4 years ago
12

Which of the following relations is a function?

Mathematics
2 answers:
Alexandra [31]4 years ago
7 0
The last one represents a function:)
ale4655 [162]4 years ago
5 0

Answer:

{(5, –4), (–4, 5), (–5, 4), (4, –5)}

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What is the inverse of the function g(x) = x^3/8 + 16 ?
lesya692 [45]

Answer:

\hookrightarrow \: { \rm{f(x) =  \frac{ {x}^{3} }{8}  + 16}} \\

• let f(x) be m:

{ \rm{m =  \frac{ {x}^{3} }{8}  + 16}} \\

• make x the subject of the function:

{ \rm{8m =  {x}^{3}  + 128}} \\  \\ { \rm{ {x}^{3} = 8m - 128 }} \\  \\ { \rm{ {x}^{3} = 8(m - 16) }} \\  \\ { \rm{x =  \sqrt[3]{8}  \times  \sqrt[3]{(m - 16)} }} \\  \\ { \rm{x = 2 \sqrt[3]{(m - 16)} }}

• therefore:

{ \boxed{ \rm{ {f}^{ - 1} (x) = 2 {(m - 16)}^{ \frac{1}{3} } }} }\\

6 0
3 years ago
if the total precipitation (rainfall and snow) for the year at a mountain town is expected to be 37.9 and it has already rained
zimovet [89]

Answer:

11.08 inches of precipitation expected.

Step-by-step explanation:

subtract 37.9 by 26.82 since you want to know how much precipitation is left.

3 0
4 years ago
Please explain question nine, I’m struggling with math and I wanna dieeee
-BARSIC- [3]
It’s 17 because the ranking of the two teams add up to 17
7 0
4 years ago
A bakery has d dozen eggs in one refrigerator and 3 fewer dozen eggs in another refrigerator. Which expressions correctly show h
san4es73 [151]

Answer:  2 d - 3

Step-by-step explanation:

Here, the number of dozen eggs in one refrigerator = d

According to the question,

There are 3 fewer dozen eggs in another refrigerator.

⇒ The number of eggs in another refrigerator = d - 3

Thus, the total dozen of eggs in both refrigerator = the number of dozen eggs in first refrigerator + the number of dozen eggs in second refrigerator

= d + d - 3

= 2 d - 3

Which is the required expression.

3 0
3 years ago
Read 2 more answers
Bryant collects a set of 20 data representing the lengths of worms he found in the garden. The variance of the set of measuremen
Varvara68 [4.7K]

Answer:

6 millimeters

Explanation:

The standard deviation is the square root of the variance.

Since the variance is 36, the standard deviation would be

√36 = 6

4 0
3 years ago
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