Find the sum.-3 + 1 + 5 + 9 + 13 + ... + (4n - 7)
A. n(4n - 7)
B. n(2n + 5)
C. n(2n - 5)
D. n(4n + 7)
Answer: C
You might also like to view...
Solve the inequality. Give the solution set in both interval and graph forms.-3 < -2a + 5 ? 5
A. (0, 4]
B. (-4, 0]
C. [0, 4)
D. [-4, 0)
Solve the compound inequality. Other than ?, graph the solution set on a number line.5x - 9 ? -19 and 5x - 4 ? 11
A. [-2, 3]
B. [3, ?)
C. [-2, ?)
D. (-?, -2] ? [3, ?)
Convert.600 seconds = minutes
A. 25 B. 10 C. 5 D. 18
Solve the problem.A job pays a salary of 28,000 the first year. During the next 11 years, the salary increases by 6% each year. What is the salary for the 12th year? What is the total salary over the 12-year period? (Round to the nearest cent.)
A. $53,152.36; $472,358.35 B. $56,341.50; $419,222.66 C. $56,341.50; $528,699.85 D. $53,152.36; $419,205.99