This exponential function y = 3(2)x + 4 represents the growth of a certain species of animal in a specific area. the y-axis represents the number of that animal present and the x-axis represents years. what can you say about the growth of the population of the species every year? a) the growth rate doubles each year. b) the growth rate triples each year. c) the growth rate increases by 2 each year. d) the growth rate increases by 5 each year.

The correct answer is A

Step-by-step explanation:

Because it is an exponential function, we know it goes up by a factor of the base of the exponential for each year. Since 2 is the base of the exponential, we know it goes up by a factor of 2 (otherwise known as doubling).

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.