Amovie rental store charges a membership fee of $10.00 plus $1.50 per movie. what is a possible domain that shows the cost to a member of renting movies?

The domain would be the set of all positive integers including 0.

Step-by-step explanation:

Given,

The membership fee = $ 10.00,

Charges for a movie = $ 1.50,

Thus, the total cost for renting x movies = ( 10.00 + 1.50x ) dollars,

If C(x) represents the total cost to a member of renting movies,

Since, the number of movie can not be negative or a fraction,

⇒ The value of x must be an integer including 0,

Also, domain of a function is the set of all possible value of input values,

Thus, the domain of the function C(x) is the set of all integers include 0.

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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