Factor completely, or state that the polynomial is prime.x3 - x2 - 20x
A. x(x + 4)(x - 5)
B. (x2 + 1)(x - 20)
C. x(x + 5)(x - 4)
D. prime
Answer: A
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Compute the gradient of the function at the given point.
p = 
A. 36i - 4j B. -108i - 36j C. 36i - 36j D. -216i - 36j
In order to determine how American undergraduate college students feel about eliminating spring break in order to finish spring term a week early, a survey was conducted. Two hundred undergraduate students from the University of Miami (FL) were interviewed. Both of the interviewers hired to conduct the survey were told to interview 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors. Of the 200 students interviewed, 20% were in favor of the elimination of spring break, 70% were opposed, and 10% had no opinion.The sampling proportion in this survey is
A. 200/(the number of American college students). B. 100%. C. 200/(the number of University of Miami, FL undergraduates). D. 20%. E. none of these
Evaluate the function f at the indicated value.
{6x + 2, if x ? 02 - 6x, if 0 < x < 6x, if x ? 6
A. 7 B. -40 C. 6 D. 44
Solve.In a distant galaxy the gravity of planet A is 217 times as strong as the gravity of planet B, so objects on planet A weigh 217 times as much as they weigh on planet B. If the object weighs 
on planet A, how much does it weigh on plant B?
A. 126 lb B. 143 lb C. 133 lb D. 1330 lb