Let p(x)=5x6 and q(x)=x5. Which statement about their ranges is correct?
a) Both p(x) and q(x) have range R. (A)
b) Both p(x) and q(x) have range [0,∞). (D)
c) Only p(x) has range [0,∞) while q(x) has range R. (B)
d) Only q(x) has range [0,∞) while p(x) has range R. (C)