Form a polynomial f(x) with real coefficients, with leading coefficient 1, having the given degree and zeros.

Degree 4; zeros: -4+5i and 1 of multiplicity 2

Is there an x intercept in the equation 60*1.15^x

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

Which expression is equal to (f+g)(x)?