Answer: 4
Explanation:
in the eq f(x) = 4 - 5x,
putting x=0 we get
f(x) = 4 - 0 = 4
hence y intercept = 4
f(x)=4-5x is the same as y = -5x + 4 (Slope-intercept form). Thus, the y-intercept is 4.
Hope it helps <3
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