D Question 4 2 pts Find C and a so that f (x) = C(a* ) for the situation described. Also, what does x represent? A fish population is initially 6000 and decreases by half each year. O C=6000; a=0.5; x=number of fish O C=6000; a=1.5; x=time in years O C=6000; a=0.5; x=time in years O C=1/2; a=6000; x=number of fishQuestion 5 1 pts '5 the function that models. the data in the table linear or exponential function? O Exponential 0 Linear 3" Question 6 1 pts Is the function that models the data in the table linear or exponential function? G Exponential 0- Linear