Which expressions below are equivalent to 2(2x + 1)? Select all that apply.

A) 4x + 2

B)2(1 + 2x)

C) 2(2x) + 1

D) 2x + 1 + 2x + 1

E) x + x + x + x + 1 + 1

QUICK

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16