Let f be the function defined by the rule f (60) = 4x2 + 2x - 3. Find – InterviewSolution

1.

Let f be the function defined by the rule f (60) = 4x2 + 2x - 3. Find f (2): f (-1); f(a) andflf (1)).

Answer»

f(x)=4x^2+2x-3; f(-1)=4(-1)^2+2(-1)-3=4-2-3=4-5=-1

f(2)=4(2)^2+2(2)-3=4(4)-4-3=16-1=15

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