Identify the vertex of the parabola.f(x) = -7x2
A. (7, 0)
B. (-7, 0)
C. (0, -7)
D. (0, 0)
Answer: D
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Solve the problem.For the triangle with vertices located at A(5, 3, 4), B(2, 3, 4), and C(1, 1, 1) , find a vector from vertex C to the midpoint of side AB.
A. 
i + 
j + 1k
B. 
i + 2j + 3k
C. 
i + 3j + 4k
D. 
i + 4j + 5k
IT = 131 mA, I1 = 15 mA, and I2 = 36 mA. Find I3.
a. 152 mA
b. 80 mA
c. 183 mA
d. 110 mA
e. 65 mA
Use a proportion to solve the problem.A company guideline states that meeting rooms should provide 7 square feet of space for each meeting attendee. If a meeting room is 17 feet by 12 feet, how many attendees can it accommodate?
A. 39 attendees B. 30 attendees C. 49 attendees D. 29 attendees
Use integration to find the general solution to the differential equation 
.
?
A. 
B. 
C. 
D. 
E. 