Question

3) The surface area of an oil spill gets 125% larger every day, represented by the function
s(x) = (1.25)x − 1. On the first day, it covered an area of 49 square meters. Which
function would be used to find the area of the oil spill on the 33rd day?

A) s(x) = (1.25)^x − 49

B) s(x) = (1.25)^49 − 1

C) s(x) = 49(1.25)^x − 1

D) s(x) = 1.25(49)^x − 1


4) Find the sum of a finite arithmetic sequence from n = 1 to n = 10, using the expression 3n − 8.

A) 56

B) 85

C) 54

D) 116

Answer 1

did you ever get the first one