Identify the vertex of the parabola.f(x) = -7(x + 3)2 + 5
A. (-3, -5)
B. (-3, 5)
C. (3, -5)
D. (3, 5)
Answer: B
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Find parametric equations for the line described below.The line through the points P(-1, -1, -1) and Q(-6, 7, 3)
A. x = t + 5, y = t - 8, z = -1t - 4 B. x = t - 5, y = t + 8, z = -1t + 4 C. x = -5t - 1, y = 8t - 1, z = 4t - 1 D. x = -5t + 1, y = 8t + 1, z = 4t + 1
Provide an appropriate response.Suppose that you want to construct a graph to represent the following data. 
If you are primarily interested in the number of people in each category as a percentage of the total number of people, would a bar chart or a pie chart be more useful? Explain your thinking.
What will be an ideal response?
The vector r(t) is the position vector of a particle at time t. Find the angle between the velocity and the acceleration vectors at time t = 0.r(t) = ti + (
t + 
t2)k
A. 0
B. 
C. 
D. ?
For the given figure, find the ratio of the length of the longest side to the length of the shortest side. Write the ratio as a fraction in lowest terms.
A = 10
meters D = 4 meters B = 6
meters E = 2
metersC = 5
meters
A. 
B. 
C. 
D. 