Question
Use the price-demand equation to determine whether demand is elastic, is inelastic, or has unit elasticity at the indicated values of $p$.$x=f(p)=950-2 p-0.1 p^{2}$(A) $p=30$(B) $p=50$(C) $p=70$
Step 1
The formula for elasticity of demand is $E(p) = -p \cdot \frac{f'(p)}{f(p)}$. Show more…
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