if e^xy = 4, then what is dy/dx at the point (1, ln4)?

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

The only way to identify an intercept is as an ordered pair. true false