Discover Questions

The function f is f(x)= (x+4)(x-a), the graph of f is a parabola , a is const. The x coord. is b/w 1 and 3, which is a?
A. -2
B. 1
C. 5
D. 9? What is the cartesian form for sqrt(e ^ipi/3? A box is to be formed by cutting square pieces out of the corner of a rectangular piece of a 4" by 6" note card? Is there any good chance of finding life in our Solar system, other than our Earth? A water supply reservoir has leakage, which kind of glue is effective for it?