Which function g represents the exponential function f(x)=5^x after a vertical stretch by a factor of 2 and a reflection across the x-axis? ​

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

V=x^4-y^4 pick three expressions that can represent the three dimensions of the prism (each in meters)