Simplifica fractia 2n+6n supra 2

Amarathon runner jogging at a constant speed for 45 minutes is it proportional to time or not

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

Is this a polynomial function? i need to know asap