8⁴x8²=8 to the power of

Which represents the inverse of the function f(x) = 4x? h(x) = x + 4 h(x) = x – 4 h(x) = x h(x) = x

How do you determine whether a relationship represented as as graph is linear or nonlinear

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.