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3 years ago

Based on the graph below, how would you describe the curve?

Mathematics

2 answers:

motikmotik3 years ago

8 0

Answer:

It's A.

Step-by-step explanation:

For every value of x there is one value of y - we can draw a vertical line through any value of x and it will pass through only one value of y.

Therefore it is a one-to-one function.

lukranit [14]3 years ago

7 0

Answer:

Option A

Step-by-step explanation:

The curve given is an increasing curve cutting x axis once and y axis once.

Any vertical line cuts only once the curve. Hence this is a function only.

We find that for every y in the range there is only one x corresponding to that.

Hence this curve is not a many to one curve. It is not linear because it is not a straight line. It is a function.

Hence only correct option is

a) The curve is a one to one function.

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2 years ago

"There are 15 questions on an exam. In how many ways can the exam be answered with exactly 8 answers correct?"

erastovalidia [21]

Answer:

The exam can be answered with exactly 8 answers correct in 6435 ways.

Step-by-step explanation:

The order is not important.

For example, answering correctly the questions 1,2,3,4,5,6,7,8 is the same outcome as answering 2,1,3,4,5,6,7,8. So we use the combinations formula to solve this problem.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

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Combinations of 8 questions from a set of 15. So

$C_{15,8} = \frac{15!}{8!(15-8)!} = 6435$

The exam can be answered with exactly 8 answers correct in 6435 ways.

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2 years ago

A cake recipe calls for 3/4 cup of flour for every 1/3 teaspoon of baking powder. What is the unit rate of cups per teaspoon?

Aliun [14]

Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

Read 2 more answers

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arlik [135]

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2 years ago

Based on the graph below, how would you describe the curve?​

Based on the graph below, how would you describe the curve?