Given the exponetial function f(x) = 3(2)x, Identify the y-ntercept = Identify the rate = Is is a growth or decay function?

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jame pay at the end?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf