Identify the vertex for the graph of y = 2x2 + 8x − 3

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

Hannah paid $3.20 for 16 ounces of potato chips. hank paid $3.23 for 17 ounces of potato chips. who paid less per ounces?