Wednesday, 12 July 2017

FUNCTIONS 4


If f(x) = |x - 10| evaluate f(-70)

Solution

f(x) = |x - 10|

f(-70) = |-70 - 10|

f(-70) = |-80| = 80 since any number out of absolute signs is +ve.

Hence f(-70) = 80

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


If f(x) = |6x - 300| evaluate f(-40) 


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