Monday, 26 February 2018

FUNCTIONS 4


Given that F(x) = 7x  +  11. Find F(-2)

Solution

F(x) = 7x  +  11

F(-2) = 7(-2)  +  11

F(-2) = -14  +  11

F(-2) = -3


Hence  F(-2) = -3


TRY THIS………………..


Given that F(x) = 10x  +  66. Find F(-4)



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