Find the volume of this triangular prism

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?

Y= a(x-3)squared-1 what is the value of a