What is the value of x

What are the domain and range of the function f(x)=2^x+1

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250