Given that B=16.5° and a=42, find c.

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

Me with this one question, and i'll upvote the brainliest answer

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}