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Home > CCA2 > Chapter 12 > Lesson 12.2.1 > Problem 12-102

12-102.
  1. Given the points (2, 9) and (4, 324): Homework Help ✎

    1. Write the equation of a line that passes through them.

    2. Write the equation of an exponential function with an asymptote at y = 0 that passes through them.

Use y = mx + b and the given points to solve for m and b.

9 = 2m + b
324 = 4m + b

Use y = a(b)x and the given points to solve for a and b.

y = 0.25(6)x