Use the given matrices to compute the given expression.Let A = 
and B = 
. Find 2A + 3B.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Match the function with its graph.1) y = -csc x2) y = -sec x3) y = -tan x4) y = -cot xA) B)
C)D)
A. 1B, 2D, 3C, 4A B. 1C, 2A, 3B, 4D C. 1A, 2D, 3C, 4B D. 1A, 2B, 3C, 4D
Mathematics
Factor completely.4x2 - 24x + 36
A. 4(x - 9)(x + 1) B. 4(x - 3)(x - 3) C. Prime D. (4x - 12)(x - 3)
Mathematics
Solve the problem.How long will it take for the population of a certain country to double if its annual growth rate is 7.7%? Round to the nearest year. Use the exponential growth model 
A. 26 yr B. 9 yr C. 1 yr D. 4 yr
Mathematics
Find an equation of a parabola satisfying the given conditions.Focus at (0, -3?), directrix y = 3?
A. y2 = 4?x B. x2 = -3?y C. x2 = -12?y D. y2 = -12?x
Mathematics