Find a third degree polynomial function f(x) with real coefficients that has -3 and i as zeros and such that f(1)=8

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

The approximate line of best fit for the given data points, y = −2x − 2, is shown on the graph.which is the residual value when x = –2? a)–2 b)–1 c)1 d)2