Multiply.-0.4 ? (-12.6)
A. 13
B. 5.04
C. -12.2
D. -13
Answer: B
Mathematics
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Find the domain of the logarithmic function.f(x) = log 
A. (-9, 8) B. (-?, -9) ? (8, ?) C. (-?, -9) D. (8, ?)
Mathematics
Solve.7.1x - 9.4 = 15.45
A. x = 6.05 B. x = 24.85 C. x = 0.9 D. x = 3.5
Mathematics
Graph the function. Identify the vertex, x-intercepts, and the equation for the axis of symmetry.f(x) = 3x2 - 12x + 8
A. 
vertex: (-3, -2)
x-intercepts: (-3 ± 2
)
axis of symmetry: x = -3
B. 
vertex: (2, -4)
x-intercepts: (
, 0)
axis of symmetry: x = 2
C. 
vertex: (-4, 2)
x-intercepts: none
axis of symmetry: x = -4
D. 
vertex: (-2, -4)
x-intercepts: (- 
, 0)
axis of symmetry: x = -2
Mathematics
Find the standard matrix A for the linear transformation T defined by 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics