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Home > CCA2 > Chapter 7 > Lesson 7.2.3 > Problem 7-150
7-150.
An exponential function
Find the equation of the function.
Substitute
and then use the points to write a system of equations. Rewrite each equation by subtracting
from both sides. Solve the first equation for
. Substitute for
in the second equation. Solve for
. If the equation also passes through
, what is the value of ? Substitute
and .