Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula 
, as needed.Find the pH if [H3O+] = 6.7 × 10-5.
A. 5.8
B. -5.8
C. 4.6
D. 4.2
Answer: D
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Evaluate the derivative of the given function for the given value of x.y = (7 - x3)-1, x = -1
A. - 
B. 
C. - 
D. 
Solve the problem.All 30 of the students in a mathematics class attended class on Monday. On Tuesday only 19 students attended. What was the percent of decrease?
A. 42.1% B. 63.3% C. 36.7% D. 57.9%
Solve the problem.The location x, in inches, from equilibrium of a weight suspended from a spring is given by 
where t is time in seconds. Find the location when t = 0, 2, 4, 6, 8, 10, and 12 seconds. Do not use a calculator.
What will be an ideal response?
Write the ordered pair for each point shown in the xy plane.
A. G = (4, 22), H = (5, -7) B. G = (3, 4), H = (5, -7) C. G = (3, 5), H = (4, 5) D. G = (3, 4), H = (-7, 5)