set theory: Let f: R - R be defined by f(x) = x2 – 40. Find...

Question

Question

set theory:
Let f: R - R be defined by f(x) = x2 – 40. Find the following: a) the image of -1, b) the pre-image of -3.

math Advanced-Math

Answer 1

Answer #1

Given flinction f(x) = 2²-42 a) the image of f(-1) = (-1)² - 4 (-1) = 1+ 4 So image of (-1) is 5 6) the bore image of -3 So f

Answer 2

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