Can someone help me with this question?

The function is open up for both since the stretch value is positive. When opening you we don’t have a maximum value only a minimum value. So already we know B and d are wrong. When looking at minimums and maximums we look at the y or q value. In this case for f(x) it is 4 and for g(x) it is 5. So we know g(x) have a greater minimum value, so the answer is c