Find the y-coordinate of the y-intercept of the polynomial function defined below.f, of, x, equals, 2, left bracket, x, minus, 6, right bracketf(x)=2(x−6)
Question
Find the y-coordinate of the y-intercept of the polynomial function defined below.f, of, x, equals, 2, left bracket, x, minus, 6, right bracketf(x)=2(x−6)
Solution
The y-intercept of a function is the point where the graph of the function intersects the y-axis. This always occurs when x = 0.
So, to find the y-intercept of the function f(x) = 2(x - 6), we substitute x = 0 into the function:
f(0) = 2(0 - 6) = 2(-6) = -12
So, the y-coordinate of the y-intercept of the function is -12.
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