Find the vertex of the parabola.f(x) = 3x2 + 30x + 72
A. (-3, -5)
B. (3, 5)
C. (5, 3)
D. (-5, -3)
Answer: D
Mathematics
You might also like to view...
Use dimensional analysis to solve the problem.Jarod calculated the speed of a train to be 29 ft/sec. Calculate the speed in miles per hour. Round answers to the nearest whole number.
A. 16 mi/hr B. 23 mi/hr C. 20 mi/hr D. 17 mi/hr
Mathematics
Provide an appropriate response.Solve the inequality: 5x - (2 + 3x) < 12 + 4x
Fill in the blank(s) with the appropriate word(s).
Mathematics
Provide an appropriate response.The solution of 
< 0 is
A. -2 < x < 0, x > 2. B. x < -2, 0 < x < 2. C. -2 < x < 0, x > 0. D. -2 < x < 0, 0 < x < 2, x > 2. E. -2 < x < 0, 0 < x < 2.
Mathematics
Solve the problem.How many 5-card poker hands consisting of 3 aces and 2 kings are possible with an ordinary 52-card deck?
A. 288 B. 12 C. 6 D. 24
Mathematics