That is a list of the valences of several elements.
Hydrogen is +1 (and also -1, incidentally)
Sodium is +1
Potassium is +1
Calcium is +2
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The binding of Na+ ions to the pump
2k + 5
Points: (k, 3h) and (3k, h) Slope: h-3h/3k-k = -2h/2k => -h/k Equation: y-3h = -h/k(x-k) => ky-3hk = -h(x-k) => ky = -hx+hk+3hk Equation in its general form: hx+ky-4hk = 0
=2969726895655+g+f+k+x
when the function is in vertex form: y = a(x - h)2 + k, the point (h, k) is the vertex.