Question 822978
Evaluate 2c^3-5c+bc if b=4 and c=-1/2
2(c^3) - 5c + bc
2(-1/2^3) - 5(-1/2) + bc
2(-1/8) - 5/2 + (4)(-1/2)
-1/4 - 5/2 - 2
-1/4 - 10/4 - 8/4
-19/4
-4 3/4