Solve the problem.pH = -log10[H+] Find the pH if the [H+] = 4.5 × 10-3.
A. 2.35
B. 2.65
C. 3.65
D. 3.35
Answer: A
Mathematics
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Graph the function and estimate.Graph the function based on the table of values. Assume that the domain and range are all real numbers. After you have finished the graph, estimate the value of f(x) when x = -3.
A. 
f(-3) = 7
B. 
f(-3) = -3
C. 
f(-3) = 2
D. 
f(-3) = -1
Mathematics
Add or subtract, as indicated.5.945 + (-3.150)
A. -8.995 B. 2.795 C. -9.095 D. 18.727
Mathematics
Decide if the given value is a solution to the equation.- 
x - 3 = 
x - 
; x = 4
A. No B. Yes
Mathematics
Convert the angle from degrees to radians. Express the answer as a multiple of ?.370°
A. 
B. 
C. 
D. 
Mathematics