Math Problem Statement
- Identify the exponential functions (i) x e (ii) e x (iii) x 2 (iv) 2x (v) x √ 3
- What is the range of the function f(x) = 3x ? (i) (−∞,∞) (ii) (−∞, 0) ∪ (0,∞) (iii) (0,∞) (iv) [0,∞)
- Evaluate the expression 1 + 1 x x for the given values of x. Round your answers to 10 decimal places in questions (i) through (iv), and give the exact value for question (v). (i) 10 (ii) 100 (iii) 1000 (iv) 10000 (v) x → ∞
- The continuous compounding formula is (i) P ert (ii) P(1 + r n ) nt Where P is the initial invested amount, r the annual interest rate, n the number of compoundings per year, and t the number of years.
Solution
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Math Problem Analysis
Mathematical Concepts
Exponential functions
Range of exponential functions
Limits and approximation to e
Continuous compounding interest
Formulas
f(x) = e^x
f(x) = 2^x
f(x) = 3^x
Limit: (1 + 1/x)^x → e as x → ∞
Continuous compounding: P * e^rt
Theorems
Limit definition of e
Exponential growth properties
Suitable Grade Level
Grades 10-12
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