Question

What is the y-intercept of the function f(x)=4 – 5x?
–5
–4
4
5

Answer 1

Answer:

4 is the y intercept of the function.

Step-by-step explanation:

If you substitute x=0, you will get f(x) = 4. That is the y intercept... Because, when the graph cuts y axis, the x-coordinate is zero there...

You can also simply look at the constant of the function... The constant is y-intercept... If there's no constant, the graph passes through the origin..

Answer 2

SOLUTION

TO CHOOSE THE CORRECT OPTION

The y-intercept of the function f(x) = 4 – 5x

• - 5

• - 4

• 4

• 5

EVALUATION

Here the given function is

f(x) = 4 – 5x

Which can be rewritten as

f(x) = – 5x + 4

Which is of the form f(x) = mx + c

Where m = - 5 , c = 4

Hence y-intercept of the function = 4

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