Question
If $f(x)=a^{x},$ show that $\frac{f(x+h)-f(x)}{h}=a^{x} \cdot \frac{a^{h}-1}{h} \quad h \neq 0$
Step 1
This gives us: \[\frac{f(x+h)-f(x)}{h} = \frac{a^{x+h}-a^{x}}{h}\] Show more…
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