9 × 9 would be the answer or just 9. Since 9 × 9 = 81. So, I believe you could put 9 if there is only one x spot but if there is 2 you can put 9 × 9. Hope this helps! c:
Expression A = (18500)(0.96)^3t, implying that at t = 1/3 years = 4 months, the exponent will be 1, meaning that the value will be multiplied by 0.96 (which is a decrease of 4%). This fits the third choice.
Expression B has a factor of (1.18)^t/3, implying that at t = 3 years, the exponent will be 1, meaning that the value is multiplied by 1.18, which is a growth of 18%. This also fits the third choice.
The 4th one is the answer
Answer:
(b)
General Formulas and Concepts:
<u>Calculus</u>
Differentiation
- Derivatives
- Derivative Notation
Integration
Integration Method: U-Substitution and U-Solve
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify given.</em>
<em />
<u>Step 2: Integrate Pt. 1</u>
<em>Identify variables for u-substitution.</em>
- Set <em>u</em>:
- [<em>u</em>] Apply Trigonometric Differentiation:
- [<em>du</em>] Rewrite [U-Solve]:
<u>Step 3: Integrate Pt. 2</u>
- [Integral] Apply Integration Method [U-Solve]:
- [Integrand] Simplify:
- [Integral] Apply Arctrigonemtric Integration:
- Simplify:
- [<em>u</em>] Back-substitute:
∴ we used substitution to <em>find</em> the indefinite integral.
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Topic: AP Calculus AB/BC (Calculus I/I + II)
Unit: Integration