What expression shows the relationship between the value term n

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin. how many doctors use brand x aspirin

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?