Approximate the area under the graph of f(x) over the specified interval by dividing the interval into the indicated number of subintervals and using the left endpoint of each subinterval.f(x) = 
; interval [1, 5]; 4 subintervals
A. 0.4636
B. 2.0833
C. 1.4236
D. 1.4636
Answer: C
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Solve the problem.After t seconds the height s of an object propelled upward with an initial velocity of 3200 feet per second is given by 
How long after the object is propelled upward until it first reaches an altitude of 74,000 feet? (Round your answer to 2 decimal places.)
A. 53.37 seconds B. 26.69 seconds C. -20.93 seconds D. 0.36 seconds
Solve the equation. Express irrational answers in exact form and as a decimal rounded to 3 decimal places.
x = 41 - x
A. 
? 1.292
B. ln 
- ln 4 ? -0.981
C. 
? 0.774
D. 
? 1.128
Convert to Fahrenheit. Use the formula F = 
C + 32 or F = 1.8C + 32. Round your answer to the nearest tenth if necessary.75°C
A. 73.3°F B. 141.4°F C. 192.6°F D. 167°F
Fill in the blank with the correct symbol <, >, or =.-6.6 
2.9
A. = B. > C. <