Question

What is the y-intercept of the function f(x)=4 – 5x?
A. -5
B. -4
C. 4
D. 5

Answer 1

C. 4

Explanation:

By definition y = ax +b

b is the incline with the y-axis

a = incline or gradient.

Given y = -5x + 4

By this alone you can see b = 4

Choose your answer, which is answer C.

Answer 2

The Y-intercept is C. 4