Determine whether the mapping diagram shown below represents a
function
27 points

Aline that intersects one of two parallel lines intersects the other also always sometimes never

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?