Sketch the graph of the equation. Identify the vertex and the intercepts.y = 2x2 - 5x - 7
A. Opens: Down;
Vertex: 
;
x-intercepts: (-1, 0) and 
;
y-intercept: (0, 7)
B. Opens: Up;
Vertex: 
;
x-intercepts: (-1, 0) and 
;
y-intercept: (0, -7)
C. Opens: Up;
Vertex: 
;
x-intercepts: (-1, 0) and (7, 0);
y-intercept: (0, -7)
D. Opens: Up;
Vertex: 
;
x-intercepts: (1, 0) and 
;
y-intercept: (0, -7)
Answer: B
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A. 
B. 
C. ln 
D. 
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A. 100a2 + 81 B. 100a2 - 180a + 81 C. 10a2 + 81 D. 10a2 - 180a + 81
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Fill in the blank(s) with the appropriate word(s).
The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 