Algebra-1

The y-intercept of a function is the value of the function when x = 0.

To find the y-intercept for our function, we evaluate f(0): f(0) = (a - 1) ⋅ 2⁰ = (a - 1) ⋅ 1 = (a - 1).

Thus, the y-intercept is simply (a - 1).

We want the y-interc...