The hydrogen ion concentration, [H+], in a certain cleaning compound is [H+ ] =3.4x10-11 Use the formula pH= -log (H* ] to find the pH of the cleaning compound

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

Which of the following best describes the figure?

Graph the equationy= x+3[tex]y = x + 3[/tex]