Solve the problem. Write all linear equations in slope-intercept form.In a lab experiment 3 grams of acid were produced in 17 minutes and 18 grams in 45 minutes. Find a linear equation that models the number of grams produced in x minutes.
A. y = 
x - 
B. y = x + 14
C. y = 
x - 
D. y = 
x + 
Answer: A
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Solve the problem.Find the derivative of the function 
at the point 
in the direction in which the function increases most rapidly.
A. 
B. 
C. 
D. 
Solve the problem.A data-recording thermometer recorded the soil temperature in a field every 2 hours from noon to midnight, as shown in the following table. Use the Trapezoidal Rule to estimate the average temperature for the 12-hour period.
A. 79.00°F B. 67.94°F C. 81.50°F D. 67.92°F
In ?ABC, if a = 10, b = 11 and ?C = 85°, find ?A, ?B and c. Round to the nearest tenth.
Solve.The function 
represents the yearly income (or loss) from a real estate investment, where t is time in years. After what year does income begin to decline?
A. 14 B. 6 C. 9.33 D. 7