What is the simplified value of the exponential expression 27 1/3
1/3
1/9
3
9

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

Find the solutions for a triangle with a =16, c =12, and b = 63º

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?