a The equation of an exponential function is y=abx. The given points must satisfy the equation.
B
b The equation of an exponential function is y=abx. The given points must satisfy the equation.
A
a2(4)x
B
b4(21)x
Practice makes perfect
a We want to write an exponential function for the graph that has an initial value of 2 and passes through the given point.
Let's consider the general form for this type of function.
y=abx
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b We want to write an exponential function for the graph that passes through the given points.
Let's consider the general form for this type of function.
y=abx
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arrow_right7.2.1 Curve Fitting and Fractional Exponents p.344
arrow_right7.2.2 More Curve Fitting p.346-347
arrow_right7.2.3 Solving a System of Exponential Functions Graphically p.352-353
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