If f(x) = 3x and g(x) = f(x) +4, which of the following points represents the y-intercept of g(x)?

Adaycare center charges a $75 enrollment fee plus $100 per week. which of the following represents the cost of sending a child to daycare for 14 weeks?

Nine more than four times a number is the same as one less than twice the number. find the number?

Find the cosine function that is represented in the graph.