How to solve this question 9(5 + 25)​

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

When solving a logarithm equation, how do you find the missing variable ?

Shape a is congruent to shape , as shown by a reflection across the y-axis and then a translation down units. shape b is congruent to shape , as shown by a reflection across the y-axis and then a translation down units.