f (x) = -0.25 (6)^x+2 -1
f(x) = -0.25(6)^x + 2 - 1 The y-intercept is f(0) .
To find f(0), replace every x in f(x) with 0 .
f(0) = -0.25(6)^0 + 2 - 1
f(0) = -0.25(1) + 2 - 1
f(0) = -0.25 + 2 - 1
f(0) = 0.75 The y-intercept is 0.75 .
