Identify the surface with equation r² + z² =49.
What will be an ideal response?
Sphere with radius 7 centered at the origin
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Write an equation for a function whose graph fits the given description.The graph of f(x) = x2 is shifted 2 units to the left. This graph is then vertically stretched by a factor of 5 and reflected across the x-axis. Finally, the graph is shifted 7 units downward.
A. y = -5(x - 2)2 + 7 B. y = -5(x - 2)2 - 7 C. y = -5(x + 2)2 - 7 D. y = -5(x + 7)2 - 2
Solve the problem.The gravitational attraction A between two masses varies inversely as the square of the distance between them. The force of attraction is 9 lb when the masses are 2 ft apart, what is the attraction when the masses are 6 ft apart?
A. 3 lb B. 2 lb C. 1 lb D. 4 lb
Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(3, 3); m = - 3
A. y = -3x + 
B. y = - 
x + 12
C. y = -3x + 12
D. y = -3x - 12
Answer the question.A student claims that {9, 10, 11} and the set {11, 10, 9} are the same set. Explain why the student is correct or why the student is incorrect.
What will be an ideal response?