Find the sum or difference, and write in lowest terms, if necessary.8 - 
A. 
B. 
C. 
D. 
Answer: D
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The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 3t2 + 3t + 4, 0 ? t ? 2Find the body's speed and acceleration at the end of the time interval.
A. 19 m/sec, 6 m/sec2 B. 9 m/sec, 2 m/sec2 C. 15 m/sec, 12 m/sec2 D. 15 m/sec, 6 m/sec2
Subtract the polynomials. Express your answer in standard form.12x4 + 8x3 
A. -7x4 + 6x3 B. 31x4 + 10x3 C. 31x4 + 6x3 D. -7x4 + 10x3
Graph the numbers on a number line.1, 3, 5, 7
A. 
B. 
C. 
D. 
Use the given zero to completely factor P(x) into linear factors.Zero: i; P(x) = 2x5 - 2x4 - 6x3 + 6x2 - 8x + 8
A. (x + 1)(x + 2)(x - 2)(x + i)(x - i) B. (x - 1)(x + 2)(x - 2)(x + (1 + i))(x - (1 - i)) C. (x - 1)(x + 2)(x - 2)(x + i)(x - i) D. (x + 2)(x - 2)(x + (1 + i))(x - (1 - i))