Evaluate the function at each value of the independent variable

Question

finding the square root of x^2 +25 at f(-5), f(6), f(5), and f(x+bx)

Answer 1

f(x) = √(x²+25)

f(5) = f(-5) = √50 = 5√2

f(x+bx) = √[(x+bx)² + 25]