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Use the following function rule to find f(12)f(12).\newlinef(x)=5x+4f(x) = 5\sqrt{x + 4}\newlinef(12)=f(12) = _____

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Full solution

Q. Use the following function rule to find f(12)f(12).\newlinef(x)=5x+4f(x) = 5\sqrt{x + 4}\newlinef(12)=f(12) = _____
  1. Identify Function and Input: Identify the function and the input value.\newlineWe are given the function f(x)=5x+4f(x) = 5\sqrt{x + 4} and we need to find f(12)f(12).
  2. Substitute Input Value: Substitute the input value into the function.\newlinef(12)=512+4f(12) = 5\sqrt{12 + 4}
  3. Simplify Expression: Simplify the expression inside the square root. f(12)=516f(12) = 5\sqrt{16}
  4. Calculate Square Root: Calculate the square root of 1616. \newlinef(12)=516=5×4f(12) = 5\sqrt{16} = 5 \times 4
  5. Multiply for Final Answer: Multiply 55 by 44 to get the final answer.\newlinef(12)=5×4=20f(12) = 5 \times 4 = 20

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