Find all real numbers in the interval [0, 2?) that satisfy the equation. sec 
= cos 
A. 
B. 
C. 
D. 
Answer: D
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Provide an appropriate response.The graph of y = f(x) is shown below. (a) What is the domain of f? (b) What is the range of f?
What will be an ideal response?
Write the equation in vertex form. Identify the vertex.y = x2 + 6x - 4
A. y = (x + 6)2 - 40; (-6, -40) B. y = (x + 3)2 - 13; (-13, -3) C. y = (x + 3)2 - 13; (-3, -13) D. y = (x + 6)2 - 40; (-40, -6)
Solve the problem.Dmitri needs 6 liters of a 14% solution of sulfuric acid for a research project in molecular biology. He has two supplies of sulfuric acid solution: one is an unlimited supply of the 18% solution and the other an unlimited supply of the 12% solution. How many liters of each solution should Dmitri use?
A. 1.5 L of 18% solution; 4.5 L of 12% solution B. 2 L of 18% solution; 4 L of 12% solution C. 4 L of 18% solution; 2 L of 12% solution D. 2.5 L of 18% solution; 3.5 L of 12% solution
Simplify.(-7z2)(3z3)
A. 21z6 B. 1323z5 C. -21z6 D. -21z5