Use the partial sum formula to find the partial sum of the given arithmetic sequence.Find the sum of the first 27 terms of the arithmetic sequence {3n - 7}.
A. 945
B. 1039.5
C. 904.5
D. 1134
Answer: A
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Match the function with its graph.f(x) = - 
A. 
B. 
C. 
D. 
Find the vertex form for the quadratic function. Then find each of the following:(A) Intercepts(B) Vertex(C) Maximum or minimum(D) Rangem(x) = -x2 - 4x - 3
A. Standard form: m(x) = -(x - 2)2 + 1 (A) x-intercepts: - 3, -1; y-intercept: -3 (B) Vertex (-2, 1) (C) Minimum: 1 (D) y ? 1 B. Standard form: m(x) = -(x + 2)2 + 1 (A) x-intercepts: - 3, -1; y-intercept: -3 (B) Vertex (-2, 1) (C) Maximum: 1 (D) y ? 1 C. Standard form: m(x) = -(x + 2)2 + 1 (A) x-intercepts: - 3, -1; y-intercept: -3 (B) Vertex (2, -1) (C) Maximum: 1 (D) y ? 1 D. Standard form: m(x) = -(x - 2)2 + 1 (A) x-intercepts: 1, 3; y-intercept: -3 (B) Vertex (-2, 1) (C) Maximum: 1 (D) y ? 1
Determine whether the vertex of the graph of the following function is a maximum point or a minimum point. Also find the coordinates of the vertex.
?
?
A. vertex: 
, a maximum point
B. vertex: 
, a minimum point
C. vertex: 
, a minimum point
D. vertex: 
, a minimum point
E. vertex: 
, a maximum point
Solve for the indicated variable.D - D0 = (D1 -D0)10-kt, for t
A. t = - 
log 
B. t = - 
log (D - D1)
C. t = - 
D. t = - 
log 