If a = -3, find the value of
a) 2a
b) a2
c) 3a2

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

Give the functions f(x) = |x + 2| - 3, what is the domain? a, b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)