For each quadratic function, find (a) the maximum or minimum value and(b) the x- and y-intercepts.Round answers to the nearest hundredth.f(x) = 1.59x2 - 1.321x - 1.04
A. Minimum value: -2.14; Intercepts: (1.32, 0), (-0.49, 0), (0, -1.04)
B. Maximum value: -1.31; Intercepts: (1.32, 0), (-0.49, 0), (0, -1.04)
C. Minimum value: -1.31; No x-intercepts, (0, -1.04)
D. Minimum value: -1.31; Intercepts: (1.32, 0), (-0.49, 0), (0, -1.04)
Answer: D
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Name the conic (horizontal ellipse, vertical hyperbola, and so on) corresponding to the given equation.
+ 
= 1
A. Vertical hyperbola B. Horizontal ellipse C. Horizontal hyperbola D. Vertical ellipse
Check the addition. If the answer is incorrect, find the correct answer.
1309
A. Correct B. Incorrect; should be 1419 C. Incorrect; should be 1219 D. Incorrect; should be 1319
Expand.
4
A. 
- 
+ 864x - 432x2 + 81x4
B. 
- 
+ 864 - 432x2 + 81x4
C. 
- 
+ 864 - 432x3 + 81x4
D. 
- 
+ 1728 - 432x2 + 81x4
Find the domain of the rational expression. 
A. {x|x is a real number and x ? -7 and x ? 7} B. {x|x is a real number and x ? -7 and x ? 7 and x ? -8} C. {x|x is a real number and x ? -8 and x ? 7} D. {x|x is a real number}