Determine the axis of symmetry and the vertex of the given function. y = 2x2 − 12x + 21 axis of symmetry: x =

If f(x) = 4x – 3 and g(x) = 8x + 2, find each function value a. f[g(3)] b. g[f(5)] c. g{f[g(-4)]}

Find the values of y: 3y^3(y^2+ 2/3y)=0

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !