(i) Polynomial 2 – x2 + x3 is a cubic polynomial, because maximum exponent of x is 3. (ii) Polynomial 3x3 is a cublic polynomial, because maximum exponent of x is 3. (iii) Polynomial 5t -√7 is a linear polynomial, because maximum exponent of t is 1. (iv) Polynomial 4- 5y2 is a quadratic polynomial, because maximum exponent of y is 2. (v) Polynomial 3 is a constant polynomial, because the exponent of variable is 0. ’ (vi) Polynomial 2 + x is a linear polynomial, because maximum exponent of x is 1. (vii) Polynomial y3 – y is a cubic polynomial, because maximum exponent of y is 3. (viii) Polynomial 1 + x+ x2 is a quadratic polynomial, because maximum exponent of xis 2. (ix) Polynomial t2 is a quadratic polynomial, because maximum exponent of t is 2. (x) Polynomial √2x-1 is a linear polynomial, because maximum exponent of x is 1.