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+] = 5.2 × 10-4.
A. 4.28
B. 4.72
C. 3.28
D. 3.72
Answer: C
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Without graphing the function, determine its amplitude or period as requested.y = 
cos 
Find the period.
A. 
B. 
C. 
D. 
Translate to an equation, then solve.Thirty decreased by the product of three and y is the same as twice the difference of y and thirty-five.
A. 30 - 3y = 2y - 35, y = 13 B. 30 - 3y = 2(y - 35), y = 100 C. 30 - 3y = 2(y - 35), y = 13 D. 30 - 3y = 2(y - 35), y = 20
Determine the domain and range of the function.
A. domain: [1, 6]; range: [0, 12] B. domain: [0, 12]; range: [1, 6] C. domain: (0, 12); range: (1, 6) D. domain: (1, 6); range: (0, 12)
Write the equation of the graph after the indicated transformation(s). The graph of y = x3 is shifted 3.0 units to the right and then vertically compressed by a factor of 0.7.
A. y = 0.7(x + 3.0)3 B. y = 0.7x3 + 3.0 C. y = 3.0(x - 0.7)3 D. y = 0.7(x - 3.0)3