Which is the range of the relation y = 2x2 + 3x if the domain is the set {-2, -1, 0}? A {10,1,0)
B.{-1,-5,0)
c. {2,-1,0)
D. (2. 1.0)

Given:

The function is:

Domain is the set {-2, -1, 0).

To find:

The range of the given relation.

Solution:

We have,

Substituting , we get

Substituting , we get

Substituting , we get

The range for the given relation is {2, -1,0}. Therefore, the correct option is (c).

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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