Classify the expression: 5x + 3x2 − 7x3 + 2.

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.