Use the vectors v, u, w, and z to draw the indicated vector. 
- 
u
A. 
B. 
C. 
D. 
Answer: A
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Solve the system using elimination.
A. 
B. 
C. 
D. 
Use the Factor Theorem to determine whether x - c is a factor of the given function for the given value of c. If x - c is a factor, then write f in factored form. That is, write f(x) = (x - c)(quotient).f(x) = x3 + 8x2 - 18x + 20; c = 10
A. Yes; f(x) = (x - 10)(x2 - 18x + 20) B. Yes; f(x) = (x + 10)(x2 + 8x - 18) C. Yes; f(x) = (x - 10)(x2 + 8x - 18) D. No
Write a formula for the nth term of the arithmetic sequence. Use the formula to find the 20th term of the sequence.2, 8, 14, 20, 26, . . .
A. an = 4n - 2; a20 = 78 B. an = 6n - 2; a20 = 118 C. an = 4n - 6; a20 = 74 D. an = 6n - 4; a20 = 116
Use a graphing calculator to estimate the range of the given function.f(x) = 9 - 
A. [-4, ?) B. [9, ?) C. (-?, ?) D. (-?, 9]