Please help! I will mark as brainliest IF answer is right. <3

Which is the graph of the function y=2(4)^x

Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars

5/6+7/8what is the answer sealsdbdbshd