Find (f+g)(x) if f(x)=3x+5 and g(x)=-2x^2-5x+3, a. (f+g)(x)=-2x^2=8x=8 b.(f+g)(x)=-2x^2-2x+8 c.(f+g)(x)=-4x+8 d.(f+g)(x)=-2x+8

What expression is equivalent to 42x-56y

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

The radius of a sphere is 3 inches. which represents the volume of the sphere?