Which describes the function on the graph below

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

What is sin 7x/4 ? i need on this urgent trig

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account