Find the coordinates of (a) the vertex and (b) the x-intercepts of the given quadratic function to the nearest hundredth.f(x) = 
x2 + 7.13x - 
A. (a) (-1.35, -1.84)
(b) (3.57, 0), (-0.92, 0)
B. (a) (-1.35, -6.67)
(b) (-2.94, 0), (0.24, 0)
C. (a) (-1.19, -7.66)
(b) (1.84, 0), (-1.84, 0)
D. (a) (-8.22, -1.84)
(b) There are no x-intercepts.
Answer: B
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Find the quadratic approximation of f at x = 0.f(x) = eln 10x
A. Q(x) = 1 + 10x + 50x2 B. Q(x) = 10x + 50x2 C. Q(x) = 10x - 50x2 D. Q(x) = 10x
Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.5 + 30 + 180 + ... + 5 ? 6n-1 + ...
A. 
; 1
B. 
; series diverges
C. 
; series diverges
D. 
; 
Decide whether the given functions are inverses.
?
A. Yes B. No
Provide an appropriate response.How can the graph of f(x) = - 
be obtained from the graph of 
A. Shift it horizontally 1 units to the right. Reflect it across the x-axis. B. Shift it horizontally 1 units to the left. Reflect it across the y-axis. C. Shift it horizontally 1 units to the left. Reflect it across the x-axis. D. Shift it horizontally -1 units to the left. Reflect it across the x-axis.