Which function represents a reflection of f(x) = 3/7(2)^x over the x-axis? [ / = fraction] A. g(x) = -3/7 (2)^x
B. g(x) = 3/7 (-2)^x
C. g(x) = 3/7 (1/2)^-x
D. g(x) = 7/3 (2)^-x

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?