Find the 15th term of an arithmetic progression of which the first term is 2.5 and the tenth term is 16

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)

Write the equations in logarithmic form 7^3=343