Question

Let f(x) = x2 - 18 and g(x) = 20-x Perform the composition or operation indicated(F/g)(7)

Answer 1

f(x) = x^2-18

g(x)=20-x

Divide both functions and evaluate for 7

(F/g) (7) = (x^2-18) / (20-x)

(F/g) (7) = (7^2-18) / (20-7)

(F/g) (7) = (49-18) / 13= 31/13 = 2.38