If the coefficient of the expression axn is a fraction and the exponent is positive, the expression will be a polynomial.

true or false

If you meant to write ax^n, then yes this is a polynomial as long as n is a positive whole number.

Something like 2x^3 is a polynomial but other things like 7x^(1.5) or 3x^(-5) are not polynomials.

The value of 'a' does not determine if ax^n is a polynomial or not.

fwms@lil_ben06

step-by-step explanation:

d. 24+-0.114

step-by-step explanation:

the question requires us to calculate the approximate 95% confidence interval for the mean number of ounces of ketchup per bottle in the sample given the following statistics;

sample mean = 24

standard deviation, σ = 0.4

sample size , n = 49

the confidence interval for a population mean is calculated using the formula;

sample mean ± z-score*(σ/sqrt(n))

the z-score associated with a 95% confidence interval, from the standard normal tables, is;

1.96

substituting these values into the formula;

24 ± 1.96*(0.4/7)

= 24 ± 0.112

from the alternatives given, choice d is closest to the above expression;