plz answer this ,no spam, irrelevant answers will be reported. A function f is defined by f ( x ) = 2x - 5. Write down the values of ( ) f ( c ) , ( ii ) f ( 7 ) , ( iii ) f ( -3 )
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f(c)=2c-5
f(7)=2(7)-5=14-5=9
f(-3)=2(-3)-5=-6-5=-11
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