Question 1 of 5 Share Facebook Twitter LinkedIn WhatsApp Email Copy Link Let f be a function such that f'(x)=f(-x) for all real numbers x. If the point (-2, 4) lies on the graph of y=f(x) in the xy-plane, which of the following points must also lie on the graph of y = f(x)? A. (-2,-4) B. (0,0) C. (0,4) D. (2,-4) E. (2,4) Submit Answer
Question 2 of 5 Share Facebook Twitter LinkedIn WhatsApp Email Copy Link In the xy-plane, the graph of the equation y = x ^ 2 is stretched by a factor of 3 in the vertical direction. The resulting graph is then translated 5 units upward, and finally the translated graph is reflected across the x-axis. Which of the following is an equation of the final result? A. y = - 3x ^ 2 - 5 B. y = - 3x ^ 2 + 5 C. y = - 3 * (x - 5) ^ 2 D. y = - 3 * (x + 5) ^ 2 E. y = 3x ^ 2 – 5 Submit Answer
Question 3 of 5 Share Facebook Twitter LinkedIn WhatsApp Email Copy Link Which of the following numbers is equal to 5/i? A. -5 B. 5i C. -5i D. -i/5 E. 5-i Submit Answer
Question 4 of 5 Share Facebook Twitter LinkedIn WhatsApp Email Copy Link If a = 2 + 3i and b = 3 - 2i then a b is equal to which of the following? B. - 1 + 5i C. 1+i D. 5 + i E. 5 + 5! Submit Answer
Question 5 of 5 Share Facebook Twitter LinkedIn WhatsApp Email Copy Link If 0 < r < s < t which of the following CANNOT be true? A. r ^ 2 < s ^ 2 < t ^ 2 B. rt < rs C. 1/t < 1/s < 1/r D. s/r < t/r E. r/t < r/s Submit Answer