Use a number line to find the sum.-2 + 2
A. 2
B. -20
C. 1
D. 0
Answer: D
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Find the domain and range of the function.f(x) = 9 - x2
A. Domain: (-?, 9]; Range:[-9, ?) B. Domain: (-?, ?); Range: (-?, 9] C. Domain: (-?, ?); Range:(-?, -9] D. Domain: (-?, ?); Range:[9, ?)
Find the equation of the parabola determined by the given information.Vertex at the origin, focus at (-9, 0)
A. x = - 
y2
B. x2 = -36y
C. y2 = -36x
D. y = - 
x2
Evaluate the expression, given x = -2, y = 3, and a = -4.
A. -1 B. -10 C. 20 D. -20
Solve. Remember to insert units when writing your answer.The height of the highest mountain that Jen has climbed is 5.999 km. This year, she will attempt to climb a mountain that is 48 m higher. What is the height of the mountain that she will attempt to climb this year? Give your answer in kilometers.
A. 6.0038 km B. 5.951 km C. 6.479 km D. 6.047 km