Let f(x) = 3x^2]−5x+ 2. Find the domain of f(x).
Evaluate f(2)
Evaluate f(−a)
Find and fully simplify the difference quotient of f(x).

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

This is so hard and it’s for a test

What is the absolute value of the complex number -4-sqrt2i