Find an equivalent expression without parentheses.-(-7 + 2y)
A. 7 + 2y
B. -7 + 2y
C. 7 - 2y
D. 14y
Answer: C
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Write the first six terms of the geometric sequence with first term, a1, and common ratio, r.a1 = 3000, r = 1
A. 3000, 3001, 3002, 3003, 3004, 3005 B. 3000, 3000, 3000, 3000, 3000, 3000 C. 3001, 3002, 3003, 3004, 3005, 3006 D. 3000, 6000, 9000, 12,000, 15,000, 18,000
Use the substitution formula to evaluate the integral.
A. 2 ln 3 B. 4 ln 2 C. 2 ln 2 D. -2 ln 2
Solve the problem.Two forces, F1 of magnitude 60 newtons (N) and F2 of magnitude 70 newtons, act on an object at angles of 
and 
(respectively) with the positive x-axis. Find the direction and magnitude of the resultant force; that is, find 
Round the direction and magnitude to two decimal places.
What will be an ideal response?
Find the vertex, the focus, and the directrix of the parabola.y = 2x2 + 4x + 6 = 0
A. V: 
; F: (-1, 12); D: x = 4
B. V: 
; F: 
; D: x = 
C. V: (-1, 4); F: 
; D: y = 
D. V: 
; F: (-1, 6); D: x = 2