The exports of goods of a country, has a growth rate of , and its exports of services, has a growth rate of . What is the growth rate of its total exports (X)?
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4 marks, −1MathematicsLimits, continuity and differentiabilityDerivatives in economic use: elasticity, growth and inflectionModerateabout 1 min
CUET-PG 2025 Question 3: Limits, continuity and differentiability
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The exports of goods of a country, G = G(t) has a growth rate of a/t, and its exports of services, S = S(t) has a growth rate of b/t. What is the growth rate of its total exports (X)? (A) a/t + b/t (B) a/G + b/S (C) (a+b)/(G+S) (D) (Ga + Sb)/(tX)
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What this question tests
This question is on Derivatives in economic use: elasticity, growth and inflection, part of Limits, continuity and differentiability in Mathematics.
Interpreting derivatives as growth rates and elasticities, and the meaning of an inflection point.
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