Thursday, 17 November 2016

FUNCTIONS 7


If f(x) = |x - 22| evaluate f(-27)

solution

f(x) = |x - 22|

f(-27) = |-27 - 22|

f(-27) = |-49| = 49 since any number out of absolute signs is +ve.

Hence f(-27) = 49

TRY THIS..................



If f(x) = |x - 40| evaluate f(-15)

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