College Entrance Exam Reviewer 5

College Entrance Exam Reviewer

College Entrance Exam Reviewer

Instructions:

Please answer each question to the best of your ability. Each question is multiple choice, and only one answer per question is correct. Select the most appropriate answer from the options provided.

When you have completed all questions, click the "Submit" button at the bottom of the page to see your score. Good luck!

1. Evaluate the limit: \(\lim_{x \to 0} \frac{\sin(5x)}{x}\)




2. Find the derivative of \( f(x) = e^{2x} \).




3. Solve the integral: \(\int x^2 \, dx\)




4. What is the general solution to \( \frac{dy}{dx} = ky \)?




5. Find the value of the determinant of matrix \(\begin{pmatrix} 1 & 2 \\ 3 & 4 \end{pmatrix}\).




6. Simplify: \((x^3)^4\)




7. Which of the following is an eigenvalue of the matrix \(\begin{pmatrix} 2 & 0 \\ 0 & 3 \end{pmatrix}\)?




8. Find the value of \( i^3 \), where \( i \) is the imaginary unit.




9. If \( f(x) = \ln(x) \), what is \( f'(x) \)?




10. Solve for \( x \): \( 2^x = 32 \)




11. Solve the equation \( x^2 - 4x + 4 = 0 \).




12. If \( f(x) = x^2 + 3x + 2 \), what is \( f'(x) \)?




13. The sum of the first \(n\) terms of an arithmetic sequence is given by \( S_n = \frac{n}{2}(2a + (n-1)d) \). Find the sum of the first 10 terms if \( a = 5 \) and \( d = 2 \).




14. If the matrix \( A = \begin{pmatrix} 3 & 1 \\ 2 & 4 \end{pmatrix} \), find the inverse of \( A \).




15. Find the limit: \( \lim_{x \to 0} \frac{\sin(x)}{x} \).




16. Solve for \( x \) in the equation \( 3^{2x} = 81 \).




17. Find the second derivative of \( f(x) = 5x^3 + 4x^2 - 3x + 7 \).




18. Which of the following represents the general solution to the equation \( \frac{dy}{dx} = \sin(x) \)?




19. If the function \( f(x) = \ln(x^2 + 1) \), what is \( f'(x) \)?




20. Determine the volume of a cone with a radius of 5 and a height of 12.




21. Find the derivative of \( f(x) = \ln(5x) \).




22. What is the integral of \( \int 4x^3 \, dx \)?




23. If \( \cos(\theta) = \frac{1}{2} \), what is \( \theta \)?




24. Find the Taylor expansion of \( e^x \) around \( x = 0 \).




25. Solve for \( x \): \( 4^x = 64 \).




26. Find the inverse of the function \( f(x) = \frac{2x + 3}{x - 1} \).




27. Determine the solution for the system of equations: \( 2x + 3y = 12 \) and \( x - y = 1 \).




28. The function \( f(x) = 3x^2 + 5x + 7 \) is a quadratic function. What is the vertex of this parabola?




29. What is the Fourier series expansion for \( f(x) = x \) on the interval \( [-\pi, \pi] \)?




30. Solve the equation: \( e^{2x} = 8 \).




Result

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