Factor completely, or state that the trinomial is prime.x3 + 8x2 + 16x
A. x(x - 4)2
B. x(x + 4)(x - 4)
C. x(x + 4)2
D. Prime
Answer: C
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Solve.Gary has to choose between two calling plans for his local phone service. Plan A charges a monthly fee of $30 regardless of how many local calls are placed. Plan B charges $15 per month plus $0.50 for each local call placed. Graph the system to find the number of calls that would have to be placed for the two plans to charge the same amount.
A. 20 calls B. 40 calls C. 50 calls D. 30 calls
Use a trigonometric substitution to evaluate the integral.
A. tan-1 5 - tan-1 7
B. tan-1 7 - tan-1 
C. 
tan-1 7 - 
tan-1 
D. tan-1 
- tan-1 7
Write the compound statement in words.Let p: The food tastes delicious. q: We eat a lot. r: Nobody has dessert.(q ? p) ? r
A. We eat a lot or the food tastes delicious or nobody has dessert. B. We eat a lot or the food tastes delicious and nobody has dessert. C. We do not eat a lot or the food tastes delicious and nobody has dessert. D. We eat a lot and the food tastes delicious or nobody has dessert.
Simplify the sum.(m2 + 8) + (m2 + 7m)
A. 2m2 + 15m B. 2m2 + 15 C. 2m2 + 7m + 8 D. m2 + 7m + 8