What is the solution to -x^2 + 5x - 10 = 0?
A) x = -5 ± i √15
B) x = 5 ± √15/2
C) x = -5 ± √15/2
D) x = -5 ± i √15/2
E) x = 5 ± i √15/2
Find f(4).
f(x) = x^2 + 2x - 3
A) 5
B) 11
C) 13
D) 21
E) 27
1st. E
2nd. D
Correct ?
+1982 
