If possible, find the matrix product of AB.A = 
; B = 
A. AB = 
B. AB = 
C. AB = 
D. AB = 
Answer: D
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Determine where the function is increasing and where it is decreasing.f(x) = -x2 - 6x - 5
A. increasing on (4, ?) decreasing on (-?, 4) B. increasing on (-?, 4) decreasing on (4, ?) C. increasing on (-3, ?) decreasing on (-?, -3) D. increasing on (-?, -3) decreasing on (-3, ?)
Solve the problem.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. Use the equation of the least squares line to predict the grade of a student who spends 7 hours in the lab. Number of hours spent in lab (x) Grade (percent) (y) 10 96 11 51 16 62 9 58 7 89 15 81 16 46 10 51
A. 71.6% B. 75.6% C. 81.6% D. 77.0%
Calculate g(x), where g=
. State the domain and range of g. Calculate
(a).
Write a system of equations to describe the problem situation. Use guess and check to solve the problem.
Tickets for five students and two adults to a Saturday morning magic show cost $25. Tickets for six students and one adult cost $26.50. Find the price of an adult ticket. A) Adult ticket is $5.00. B) Adult ticket is $2.50. C) Adult ticket is $3.00. D) Adult ticket is $4.00. E) Adult ticket is $3.50.