Jeff morton drives 140miles in 4hours. the rate of change is 35. how would u graph this?

Which logarithmic equation is equivalent to the exponential equation below? e^a=55(you will receive 34 points)

Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120