Use the change of base formula and a calculator to approximate the logarithmic expression. Round your answer to four decimal places.log52
A. 0.4307
B. 2.3219
C. -0.3979
D. 1.0000
Answer: A
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Solve.
= 1 + 
A. {-20, 10} B. {-8, 10} C. {8, -10} D. ?
Solve the system of equations by determinants. -4x + y - 2z - t = 10 -x - 4y + z + 3t = 16 -4x - 2y - 4z + t = 22 -2x - y - z + 3t = 15
A. x = -3, y = -2, z = -1, t = 2 B. x = -1, y = 0, z = 1, t = 4 C. Inconsistent D. x = -3, y = 2, z = 1, t = -2
Solve the problem.The number of people present at a stadium holding a big rock concert can be estimated with the following function: 
where y is the number of people present and x is the amount of time since 
on the day of the concert. Rewrite the model with x equal to the amount of time since 1.00 p.m.
A. y = 13,252(x + 2)0.74 + 0.54(x + 2) + 102
B. y = 13,252(x - 2)0.74 + 0.54x + 102
C. y = 13,252(x + 2)0.74 + 0.54x + 102
D. 
Solve the polynomial equation symbolically.-6x2 + 12x - 6 = 0
A. 1, 1 B. 1, - 1 C. - 1, 1 D. - 1, - 1