Cassie opens a bank account with two dollars. She adds four dollars on Day 1, eight dollars on Day 2, and sixteen dollars on Day 3. She continues this pattern for 15 days. Which statement describes why this sequence is a function. Select each correct answer
.A The graph of this sequence would pass the horizontal line test.
B The graph of this sequence would pass the vertical line test.
CEach amount of dollars corresponds to a unique day in this sequence.
DNone of the above.

What properties allow transformation to be used as a problem solving tool

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!