what is the y- intercept
f(x)=(x-10) (x+2)
To find the y-intercept of a function, we plug in x = 0 and solve for y.
f(x) = (x - 10)(x + 2)
Setting x = 0:
f(0) = (0 - 10)(0 + 2)
f(0) = (-10)(2)
f(0) = -20
Therefore, the y-intercept of the function f(x) = (x - 10)(x + 2) is -20.