Solve the problem.The pH of a chemical solution is given by the formula pH = -log10[H+] where [H+] is the concentration of hydrogen ions in moles per liter. Find the pH if the [H+] = 9.8 × 10-12.
A. 12.01
B. 11.99
C. 11.01
D. 12.99
Answer: C
Mathematics
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Find the volume of the indicated region.the region bounded below by the xy-plane, laterally by the cylinder 
and above by the plane 
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
For the given function:(a) Find the intervals on which the function is increasing and decreasing. (b) Then identify the function's local extreme values, if any, saying where they are taken on.(c) Which, if any, of the extreme values are absolute?k(x) = x3 - 12x
What will be an ideal response?
Mathematics
Calculate the work done by the force F along the path C.F = xyi + 4j + 8xk; C: r(t) = cos 7ti + sin 7tj + tk, 0 ? t ? 
A. W = 
B. W = 
C. W = 0
D. W = 
Mathematics
Write the fraction in simplest form.
A. 
B. 
C. 
D. 5y
Mathematics