Factor the trinomial completely.3x5 + 6x4 - 45x3
A. 3x3(x2 + 2x - 15)
B. x3(x + 5)(3x - 9)
C. 3x3(x + 5)(x - 3)
D. x3(3x + 15)(x - 3)
Answer: C
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Find the quadratic approximation of f at x = 0.f(x) = eln 10x
A. Q(x) = 1 + 10x + 50x2 B. Q(x) = 10x + 50x2 C. Q(x) = 10x - 50x2 D. Q(x) = 10x
Use the information given in the chart or graph to determine the truth values of the simple statements. Then determine the truth value of the compound statement given.
If older viewers watch fewer drama programs than younger viewers and younger viewers watch dramas less than 25% of the time, then older viewers watch drama programs less than 25% of the time.
A. True B. False
Solve the problem.It costs $400 to start up a business of selling hot dogs. Each hot dog costs 
to produce. Find the cost function C(x) = mx + b whose input is the number of hot dogs and whose output is the total cost.
A. C(x) = 55x + 400 B. C(x) = 400x + 0.55 C. C(x) = 0.55x + 400 D. C(x) = 0.55x - 400
Solve the problem.Find the net price of a bicycle that lists for $189.95 if a discount rate of 10% is offered. Round to the nearest cent.
A. $170.96 B. $170.46 C. $19.00 D. $18.50