3 years ago

Please answer the following question

Mathematics

1 answer:

horsena [70]3 years ago

5 0

Consider the function $y=x^2-4x-21.$ See attached file for graph.

The y-intercept you can find substituting x=0 (or using graph):

$y=0^2-4\cdot 0-21=-21.$

Answer: y-intercept is (0,-21).

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