1.The function f:[0,7]→[0,70]f : [0, 7] \to [0, 70]f:[0,7]→[0,70] where f(x)=x3−12x2+45xf(x) = x^3 - 12x^2 + 45xf(x)=x3−12x2+45x, isa.one-one and ontob.many-one and ontoc.one-one and intod.many-one and intoLogin to continueOnly logged in users canattempt or see the solution.