What are the domain and range of the function f(x).= 3x + 5?
o domain: (-00,00); range: (0.00)
domain: (-00,00); range: (5,00)
domain: (0,co); range: (-00,00)
domain: (5,00); range: (-00,00)

i'm sorry i don't know

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no idea

step-by-step explanation:

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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