Why do both ways of writing the number as tens and ones describe the same number

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

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

[15 points, algebra 2]simplify the complex fraction and find the restrictions.