Find the distance of AB

Which of the following graphs represents the function f(x) = 2^x

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv