What is f(g(x)) when f(x) = 5x + 3, and g(x) = 3x2 + 3? A) f(g(x)) = 8x^2 + 6
B) f(g(x)) = 15x^2 + 18
C) f(g(x)) = 75x^2 + 90x + 30
D) f(g(x)) = 255x^2 + 270x + 84

Consider the expression below. 9 + 4(x + 2) – 3.1 select the term that best describes "3" in the given expression. o a. coefficient variable exponent constant

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?