Suppose that y is directly proportional to x, and y 1/4 when x = 3. what is the constant of proportionality?

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Based on the graph, what is the initial value of the linear relationship? a coordinate plane is shown. a line passes through the y-axis at -2 and the x-axis at 3.

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x