Evaluate the integral by using multiple substitutions.
dt
A. 
+ C
B. - 
+ C
C. - 
+ C
D. 
+ C
Answer: D
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Add or subtract as indicated. Express the answer as a single polynomial in standard form.(4x7 + 9x6 - 6x) + (9x7 + 8x6 + 4x)
A. 13x7 + 17x6 - 2x B. 13x + 17x7 - 2x6 C. 3x7 + 12x6 + 13x D. 28x14
Solve the problem.A thermometer reading 
is placed inside a cold storage room with a constant temperature of 
If the thermometer reads 
in 7 minutes, how long before it reaches 
Round your answer to the nearest whole minute.
A. -5 min B. 21 min C. 9 min D. 5 min
For the functions f and g, find the requested value.Evaluate (f ? g)(2).
A. -4 B. 0 C. -3 D. -5
Set up a linear equation and solve it. Use the variable x in your equation.The Smith family is planning a 245-mile trip. They plan to travel at an average speed of 35 miles per hour. Determine the number of hours the trip will take.
A. 245 = 35x; 7 hours B. 245 = 35x; 6 hours C. 35 = 245x; 8 hours D. 35 = 245x; 9 hours