Question

Which is the graph of the sequence defined by the function f(x)=100(0.5)^x-1

Answer 1

B

Explanation:

Answer 2

See attached picture below.

Explanation:

See attached picture below. You'll notice the equation is an exponential and therefore always has this shape. Because 0.5 its base is <1, the graph starts up and ends low. Since 1000 is the starting value and is subtracted by 1 being multiplied it crosses the y-axis at (0, 999). This means the entire graph is 1 unit lower.