Can someone please help me solve this equation? 2log(x) + log(5)=3

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Find the equation using the point (4,8)