What are the domain and the range of this function?

domain: -5≤x<1

range: -4≤y<7

Step-by-step explanation:

The closed dot on the line of the graph means it includes the point, so you have to put the equal or less than symbol on it, which in this case for the range it would be for -4 and for the domain it would be -5. The open dot on the line of the graph means it does not include the point, so you have to put the less than symbol on it, which in this case it would be for the numbers 1 (domain) and 7 (the range).

75 tickets have been sold so far.

step-by-step explanation:

in this question it is clearly mentioned that 45 children's tickets have been sold and this number is 60% of the total tickets sold.

now let's assume the total number of tickets sold be x.

then 60% of x = 45

⇒

⇒ x(.6) = 45

by dividing with .6 on both the sides of the equation

⇒ x = 75

therefore 75 tickets have been sold so far.