What is the range of the function on the graph?
1. all real numbers
2. all real numbers greater than or equal to 0
3. all real numbers greater than or equal to 1
4. all real numbers greater than or equal to 2

no. 4

Step-by-step explanation:

the numbers start at two and keeps going up.

The range of the function on the graph is:

    4. all real numbers greater than or equal to 2.

Domain of a function--

A domain of a function is the set of all the x-values i.e. the value of the independent variable for which a function is defined.

Range of a function--

The range of a function are the set of all the values attained by a function.

By looking at the function we observe that the function is defined for all x≥1.

and the function attains all the values greater than or equal to 2.

This means that domain of the function = x≥1

and range of the function =  all real numbers greater than or equal to 2

(-1,-0.5)

step-by-step explanation:

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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