Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range.y = -5x2 - 4x + 2
A. D: all real numbers; R: (y ? 2.8)
B. D: all real numbers; R: (y ? 2.8)
C. D: (x ? 0), R: all real numbers
D. D: all real numbers; R: (y ? 1.2)
Answer: A
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Use the actuarial method to find the amount of unearned interest for the loan paid in full before the due date.Regular Monthly Payment: $650.78APR: 6.5%Remaining Payments After Payoff: 18
A. $774.85 B. $432.10 C. $581.14 D. $402.68
Find the area.
A. 744 ft2 B. 372 ft2 C. 480.5 ft2 D. 573.5 ft2
Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.r = 5
A. x2 + 
2 = 
; circle,
radius 
, center at 
in
rectangular coordinates
B. 
2 + y2 = 
; circle,
radius 
, center at 
in
rectangular coordinates
C. x2 + y2 = 25; circle, radius 5,
center at pole
D. x = 5; vertical line 5 units to the right
of the pole
Fill in the digits for the given place values in the following whole number.6,312,240,832billions: millions:
A. Billions: 2, millions: 1 B. Billions: 3, millions: 2 C. Billions: 2, millions: 2 D. Billions: 6, millions: 2