Question

What is the y-intercept of the equation? y = 2.1(0.15)^x
a.) 0.15
b.) 1
c.) 2.1

Answer 1

c.) 2.1

Answer 2

To get the y-intercept, let x be 0.

y = 2.1 (0.15)^x
y = 2.1 * .15^0
y = 2.1 * 1
y = 2.1