Given the piecewise function $f(x) = {2x + 1,x < -3 and 4x + 1, x ≥ -3}$ , how do you evaluate f(-3)?

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Answer 1 · 2015-11-16T09:20:04

From the definition of the function you have

for $x>=-3$ that $f(x)=4x+1$

hence substitute the value to the function you get

$f(-3)=4*(-3)+1=-12+1=-11$

Given the piecewise function f(x) = {2x + 1,x < -3 and 4x + 1, x ≥ -3}f(x) = {2x + 1,x < -3 and 4x + 1, x ≥ -3}, how do you evaluate f(-3)?