Y=3x^2-2 ( Make x the ubject of the formula
x=((y+2)/3)^1/2
TP
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All answers ▸Solve the simultaneous equations. 5x + y = 21 and x-3y = 9
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The functions f and g are defined on R , the set of real numbers by f(x) = x^2 - 5x +2, and g(x) = 1 - x. Find h(x) = f(g(x)), and j(x) = g(f(x)).
Solve the simultaneous equations: x^2 + y^2 = 9 and x + y = 2