What is the y-intercept of the exponential function?
f(x) = -0.25(6)x+2 - 1
The y-intercept is the value of the function when x = 0 .
Plug in 0 for x .
f(0) = -0.25(6)0+2 - 1
f(0) = -0.25(6)2 - 1
f(0) = -0.25(36) - 1
f(0) = -9 - 1
f(0) = -10
The y-intercept is -10
x=0
y=4(f)=3
y=3
