Solve the equation. Express radicals in simplest form.x2 = 0.16
A. {0.4}
B. {8}
C. {-5, 5}
D. {-0.4, 0.4}
Answer: D
Mathematics
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Find an equation for the parabola described.Vertex at (6, 5); focus at (4, 5)
A. (x - 5)2 = 4(y - 5) B. (x - 5)2 = -4(y - 5) C. (y - 5)2 = 8(x - 6) D. (y - 5)2 = -8(x - 6)
Mathematics
Identify where f is increasing and where f is decreasing.f(x) = 6x - x2
A. increasing: (-?, 3]; decreasing [3, ?) B. increasing: [6, ?); decreasing (-?, 6] C. increasing: (-?, 6]; decreasing [6, ?) D. increasing: [3, ?); decreasing (-?, 3]
Mathematics
Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 
Mathematics
Find the equation of the tangent line to the graph of f(x) = tan x at 
.
A. y = 2x + 1 - 
B. y = 2x - 
C. y = 2x + 
D. y = 2x - 1
E. none of these
Mathematics