Which transformation of Figure A results in Figure A′? A.) a translation 3 units left and 4 units down.

B.) a reflection across the x-axis

C.) a counterclockwise rotation of 270° about the origin

D.) a counterclockwise rotation of 90° about the origin

Can someone answer this question? : )

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) = .

What is the value of p in the equation y^ = -4x?