Given: f(x) = 2+ sqrt(-3x+1), q(x) = (5x)/(x+2), and m(x) = abs(7 - x^2) + x, how do you find f(-5)?

1 Answer
Jun 18, 2015

f(-5)=2+sqrt(-3(-5)+1) = 2+sqrt(16) =6

Explanation:

The only relevant function definition among those included in the question is
color(white)("XXXX")f(x) = 2 +sqrt(-3x+1)

To evaluate f(-5)
simply replace the x in the function definition with (-5) as shown and perform the arithmetic operations.