Which of the functions below could have created this graph ? A. F(x)= x^4 - 2x B. F(x) = -1/2x^4 - x^3 + x + 2 C. F(x) x^2 + 5 D. F(x) = x^3 + x^2 +x + 1

How to determine whether two known pairs of points are on the same line.

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b