Solve the logarithmic equation. Round to four decimal places.log5(x + 8) + log5(x - 8) = 1
A. {69.0000}
B. {8.3066}
C. {64.2000}
D. {5.0000}
Answer: B
You might also like to view...
Find the gradient ?f.f(x, y, z) = x2y + y2z + z7x
A. (2xy + z7)i + (2yz + x2)j + (7xz6 + y2)k B. (2xy + z7y)i + (2yz + x2)j + (7xz6 + y2)k C. (2xy + z7)i + (y2z + x2)j + (7xz6 + y2)k D. (x2y + z7)i + (2yz + x2)j + (7xz6 + y2)k
Find the first term and the common ratio for the geometric sequence. Round approximations to the nearest hundredth.a2 = 9, a6 = 729
A. a1 = 3, r = 3 B. a1 = 9, r = 3 C. a1 = 3, r = 0.33 D. a1 = 729, r = 0.33
Use a cubic or quartic regression (as specified) to fit a curve through the points given in the table. Round to the nearest hundredth.
(Cubic)
A. y ? -1.53x3 + 0.24x2 - 2.07x + 0.36 B. y ? -1.53x3 + 0.54x2 - 2.07x + 0.36 C. y ? -1.53x3 + 0.24x2 - 2.57x + 0.36 D. y ? -1.83x3 + 0.24x2 - 2.07x + 0.36
Use the graph to obtain the graph of the reciprocal function. Give the equation of the function for the graph that you obtain.y = 2 cos 3?x
A. y = 2 cot 3?x
B. y = 2 sin 3?x
C. y = 2 sec 3?x
D. y = 2 csc 3?x