For the given equation, determine the values of a, b, and c, the direction in which the parabola opens, and the y-intercept.y = x2 - 7x
A. 
B. 
C. 
D. 
Answer: A
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Find the second derivative of the function.r = 
(6 - ?)
A. 
= 
- ?
B. 
= - 
- 1
C. 
= - 
- 1
D. 
= 
Find the quotient.(x3 + 125) ÷ (x + 5)
A. x2 - 5x + 25 B. x2 - 25x + 5 C. x2 + 25 D. x2 - 5
Graph f as a solid line and f-1 as a dashed line in the same rectangular coordinate space. Use interval notation to give the domain and range of f and f-1.f(x) = x2 - 7, x ? 0
A. 
f domain = (-?, ?); range = (-7, ?)
f-1 domain = (-?, ?); range = (7, ?)
B. 
f domain = (0, ?); range = (-7, ?)
f-1 domain = (0, ?); range = (7, ?)
C. 
f domain = (0, ?); range = (-7, ?)
f-1 domain = (0, ?); range = (-7, ?)
D. 
f domain = (-?, ?); range = (-7, ?)
f-1 domain = (-?, ?); range = (-7, ?)
For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 2x + 10;
Find (g ? f)(x).
A. x B. x + 20 C. 2x + 10 D. x - 5