Choose the equation that matches the graph.
A. x = y2 + 4
B. f(x) = x2 + 4
C. f(x) = x2 - 4
D. x = y2 - 4
Answer: D
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Determine the center, foci, and vertices of the ellipse.
+ 
= 1
A. center at (0, 0)
foci at (0, 9) and (2, 0)
vertices at (0, 81), (4, 0)
B. center at (0, 0)
foci at (0, -9) and (0, 9)
vertices at (0, -81), (0, 81)
C. center at (0, 0)
foci at (- 
, 0) and (
, 0)
vertices at (-9, 0), (9, 0)
D. center at (0, 0)
foci at (0, - 
) and (0, 
)
vertices at (0, -9), (0, 9)
Determine whether or not the function is one-to-one.f(x) = x3 - 7
A. No B. Yes
Solve the problem.Ms. Patterson proposes to give her daughter Claire an allowance of $0.05 on the first day of her 13-day vacation, $0.10 on the second day, $0.20 on the third day, and so on. Find the allowance Claire would receive on the last day of her vacation.
A. $4096.05 B. $409.60 C. $0.65 D. $204.80
Find the circle's circumference or area, as requested. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.Find the area.
A. 24.5 cm2 B. 11.9 cm2 C. 12.2 cm2 D. 47.8 cm2