Evaluate f(3) for the piecewise function: f(x) = { 2x + 1, if x

Question

Evaluate f(3) for the piecewise function: f(x) = { 2x + 1, if x < 2; x² - 5, if x ≥ 2 }

BrainForge Quiz · Accepted Answer

B) 4. Since x=3 satisfies the condition x ≥ 2, use the second rule for the function definition. Substitute 3 into x² - 5: f(3) = 3² - 5 = 9 - 5 = 4.

Evaluate f(3) for the piecewise function: f(x) = { 2x + 1, if x < 2; x² - 5, if x ≥ 2 }