I need #3 and 4, please! Also please no links let someone else who can actually answer it, answer it. Thank you.

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation