1. f(x) = 2x + 6 evaluate f(2)
2. f(x) = 3x evaluate f(a + 1)
3. f(x) = 3x – 1 and g(x) = 5x + 3 evaluate f(2) + g(3)

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

happy to

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